build(deps): bump tslib from 2.0.0 to 2.1.0

Bumps [tslib](https://github.com/Microsoft/tslib) from 2.0.0 to 2.1.0.
- [Release notes](https://github.com/Microsoft/tslib/releases)
- [Commits](microsoft/tslib@2.0.0...2.1.0)

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

Author: dependabot-preview[bot]

package.json

@@ -28,7 +28,7 @@
     "rxjs": "^6.6.3",
     "rxjs-compat": "^6.6.3",
     "ts-helpers": "^1.1.2",
-    "tslib": "^2.0.0",
+    "tslib": "^2.1.0",
     "zone.js": "~0.10.3"
   },
   "devDependencies": {

yarn.lock

@@ -9833,10 +9833,10 @@ tslib@^1.10.0, tslib@^1.8.1, tslib@^1.9.0:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.13.0.tgz#c881e13cc7015894ed914862d276436fa9a47043"
   integrity sha512-i/6DQjL8Xf3be4K/E6Wgpekn5Qasl1usyw++dAA35Ue5orEn65VIxOA+YvNNl9HV3qv70T7CNwjODHZrLwvd1Q==
 
-tslib@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.0.0.tgz#18d13fc2dce04051e20f074cc8387fd8089ce4f3"
-  integrity sha512-lTqkx847PI7xEDYJntxZH89L2/aXInsyF2luSafe/+0fHOMjlBNXdH6th7f70qxLDhul7KZK0zC8V5ZIyHl0/g==
+tslib@^2.0.0, tslib@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.1.0.tgz#da60860f1c2ecaa5703ab7d39bc05b6bf988b97a"
+  integrity sha512-hcVC3wYEziELGGmEEXue7D75zbwIIVUMWAVbHItGPx0ziyXxrOMQx4rQEVEV45Ut/1IotuEvwqPopzIOkDMf0A==
 
 tslint@6.1.2:
   version "6.1.2"