chore(deps): update dependency acorn to v5.2.0

Author: renovate[bot]

package.json

@@ -31,7 +31,7 @@
     "define-property": "1.0.0"
   },
   "devDependencies": {
-    "acorn": "5.1.2",
+    "acorn": "5.2.0",
     "clone-deep": "1.0.0",
     "eslint-config-standard-tunnckocore": "1.0.10",
     "espree": "3.5.1",

yarn.lock

@@ -52,14 +52,18 @@ acorn-jsx@^3.0.0:
   dependencies:
     acorn "^3.0.4"
 
-acorn@5.1.2, acorn@^5.1.1:
-  version "5.1.2"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.1.2.tgz#911cb53e036807cf0fa778dc5d370fbd864246d7"
+acorn@5.2.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.2.0.tgz#39fd0cf9d2dd4c82068602a404019d8ed5167b1c"
 
 acorn@^3.0.4:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
 
+acorn@^5.1.1:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.1.2.tgz#911cb53e036807cf0fa778dc5d370fbd864246d7"
+
 agent-base@2:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-2.1.1.tgz#d6de10d5af6132d5bd692427d46fc538539094c7"