Bump mongoose from 5.6.9 to 5.7.5 in /backend

Bumps [mongoose](https://github.com/Automattic/mongoose) from 5.6.9 to 5.7.5.
- [Release notes](https://github.com/Automattic/mongoose/releases)
- [Changelog](https://github.com/Automattic/mongoose/blob/master/History.md)
- [Commits](Automattic/mongoose@5.6.9...5.7.5)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

backend/package-lock.json

@@ -21,7 +21,7 @@
         "express-fileupload": "^1.2.0",
         "express-validator": "^6.1.1",
         "lodash": "^4.17.20",
-        "mongoose": "^5.6.9",
+        "mongoose": "^5.7.5",
         "socket.io": "^2.2.0"
     }
 }

backend/package.json

@@ -93,14 +93,6 @@ better-assert@~1.0.0:
   dependencies:
     callsite "1.0.0"
 
-bl@^2.2.0:
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/bl/-/bl-2.2.1.tgz#8c11a7b730655c5d56898cdc871224f40fd901d5"
-  integrity sha512-6Pesp1w0DEX1N550i/uGV/TqucVL4AM/pgThFSN/Qq9si1/DF9aIHs1BxD8V/QU0HoeHO6cQRTAuYnLPKq1e4g==
-  dependencies:
-    readable-stream "^2.3.5"
-    safe-buffer "^5.1.1"
-
 blob@0.0.5:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/blob/-/blob-0.0.5.tgz#d680eeef25f8cd91ad533f5b01eed48e64caf683"
@@ -135,7 +127,7 @@ brace-expansion@^1.1.7:
     balanced-match "^1.0.0"
     concat-map "0.0.1"
 
-bson@^1.1.4:
+bson@^1.1.1, bson@~1.1.1:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/bson/-/bson-1.1.5.tgz#2aaae98fcdf6750c0848b0cba1ddec3c73060a34"
   integrity sha512-kDuEzldR21lHciPQAIulLs1LZlCXdLziXI6Mb/TDkwXhb//UORJNPXgcRs2CuO4H0DcMkpfT3/ySsP3unoZjBg==
@@ -275,11 +267,6 @@ delegates@^1.0.0:
   resolved "https://registry.yarnpkg.com/delegates/-/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
   integrity sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=
 
-denque@^1.4.1:
-  version "1.4.1"
-  resolved "https://registry.yarnpkg.com/denque/-/denque-1.4.1.tgz#6744ff7641c148c3f8a69c307e51235c1f4a37cf"
-  integrity sha512-OfzPuSZKGcgr96rf1oODnfjqBFmr1DVoc/TrItj3Ohe0Ah1C5WX5Baquw/9U9KovnQ88EqmJbD66rKYUQYN1tQ==
-
 depd@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
@@ -612,11 +599,6 @@ media-typer@0.3.0:
   resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
   integrity sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g=
 
-memory-pager@^1.0.2:
-  version "1.5.0"
-  resolved "https://registry.yarnpkg.com/memory-pager/-/memory-pager-1.5.0.tgz#d8751655d22d384682741c972f2c3d6dfa3e66b5"
-  integrity sha512-ZS4Bp4r/Zoeq6+NLJpP+0Zzm0pR8whtGPf1XExKLJBAczGMnSi3It14OiNCStjQjM6NU1okjQGSxgEZN8eBYKg==
-
 merge-descriptors@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"
@@ -678,45 +660,41 @@ mkdirp@^0.5.0, mkdirp@^0.5.1:
   dependencies:
     minimist "^1.2.5"
 
-mongodb@3.6.1:
-  version "3.6.1"
-  resolved "https://registry.yarnpkg.com/mongodb/-/mongodb-3.6.1.tgz#2c5cc2a81456ba183e8c432d80e78732cc72dabd"
-  integrity sha512-uH76Zzr5wPptnjEKJRQnwTsomtFOU/kQEU8a9hKHr2M7y9qVk7Q4Pkv0EQVp88742z9+RwvsdTw6dRjDZCNu1g==
+mongodb@3.3.2:
+  version "3.3.2"
+  resolved "https://registry.yarnpkg.com/mongodb/-/mongodb-3.3.2.tgz#ff086b5f552cf07e24ce098694210f3d42d668b2"
+  integrity sha512-fqJt3iywelk4yKu/lfwQg163Bjpo5zDKhXiohycvon4iQHbrfflSAz9AIlRE6496Pm/dQKQK5bMigdVo2s6gBg==
   dependencies:
-    bl "^2.2.0"
-    bson "^1.1.4"
-    denque "^1.4.1"
+    bson "^1.1.1"
     require_optional "^1.0.1"
     safe-buffer "^5.1.2"
-  optionalDependencies:
-    saslprep "^1.0.0"
 
 mongoose-legacy-pluralize@1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/mongoose-legacy-pluralize/-/mongoose-legacy-pluralize-1.0.2.tgz#3ba9f91fa507b5186d399fb40854bff18fb563e4"
   integrity sha512-Yo/7qQU4/EyIS8YDFSeenIvXxZN+ld7YdV9LqFVQJzTLye8unujAWPZ4NWKfFA+RNjh+wvTWKY9Z3E5XM6ZZiQ==
 
-mongoose@^5.6.9:
-  version "5.10.4"
-  resolved "https://registry.yarnpkg.com/mongoose/-/mongoose-5.10.4.tgz#09519261998243de47ed72ed28dc8c3adbf6a910"
-  integrity sha512-GnN03Dw3Bf4FYL5bRU8rEv6Hh2NuODj6Em+52pm92YRdQFit3jqJn1aBzg6hOPJfgBaB5cfdjKXRjacrD4jhsA==
+mongoose@^5.7.5:
+  version "5.7.5"
+  resolved "https://registry.yarnpkg.com/mongoose/-/mongoose-5.7.5.tgz#b787b47216edf62036aa358c3ef0f1869c46cdc2"
+  integrity sha512-BZ4FxtnbTurc/wcm/hLltLdI4IDxo4nsE0D9q58YymTdZwreNzwO62CcjVtaHhmr8HmJtOInp2W/T12FZaMf8g==
   dependencies:
-    bson "^1.1.4"
+    bson "~1.1.1"
     kareem "2.3.1"
-    mongodb "3.6.1"
+    mongodb "3.3.2"
     mongoose-legacy-pluralize "1.0.2"
-    mpath "0.7.0"
+    mpath "0.6.0"
     mquery "3.2.2"
     ms "2.1.2"
     regexp-clone "1.0.0"
-    safe-buffer "5.2.1"
+    safe-buffer "5.1.2"
     sift "7.0.1"
     sliced "1.0.1"
 
-mpath@0.7.0:
-  version "0.7.0"
-  resolved "https://registry.yarnpkg.com/mpath/-/mpath-0.7.0.tgz#20e8102e276b71709d6e07e9f8d4d0f641afbfb8"
-  integrity sha512-Aiq04hILxhz1L+f7sjGyn7IxYzWm1zLNNXcfhDtx04kZ2Gk7uvFdgZ8ts1cWa/6d0TQmag2yR8zSGZUmp0tFNg==
+mpath@0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/mpath/-/mpath-0.6.0.tgz#aa922029fca4f0f641f360e74c5c1b6a4c47078e"
+  integrity sha512-i75qh79MJ5Xo/sbhxrDrPSEG0H/mr1kcZXJ8dH6URU5jD/knFxCVqVC/gVSW7GIXL/9hHWlT9haLbCXWOll3qw==
 
 mquery@3.2.2:
   version "3.2.2"
@@ -937,7 +915,7 @@ rc@^1.2.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-readable-stream@^2.0.6, readable-stream@^2.3.5:
+readable-stream@^2.0.6:
   version "2.3.7"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.7.tgz#1eca1cf711aef814c04f62252a36a62f6cb23b57"
   integrity sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==
@@ -980,7 +958,7 @@ safe-buffer@5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
   integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
 
-safe-buffer@5.2.1, safe-buffer@^5.1.1, safe-buffer@^5.1.2:
+safe-buffer@^5.1.2:
   version "5.2.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
   integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
@@ -990,13 +968,6 @@ safe-buffer@5.2.1, safe-buffer@^5.1.1, safe-buffer@^5.1.2:
   resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
   integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
 
-saslprep@^1.0.0:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/saslprep/-/saslprep-1.0.3.tgz#4c02f946b56cf54297e347ba1093e7acac4cf226"
-  integrity sha512-/MY/PEMbk2SuY5sScONwhUDsV2p77Znkb/q3nSVstq/yQzYJOH/Azh29p9oJLsl3LnQwSvZDKagDGBsBwSooag==
-  dependencies:
-    sparse-bitfield "^3.0.3"
-
 sax@^1.2.4:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
@@ -1116,13 +1087,6 @@ socket.io@^2.2.0:
     socket.io-client "2.3.0"
     socket.io-parser "~3.4.0"
 
-sparse-bitfield@^3.0.3:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/sparse-bitfield/-/sparse-bitfield-3.0.3.tgz#ff4ae6e68656056ba4b3e792ab3334d38273ca11"
-  integrity sha1-/0rm5oZWBWuks+eSqzM004JzyhE=
-  dependencies:
-    memory-pager "^1.0.2"
-
 "statuses@>= 1.5.0 < 2", statuses@~1.5.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"