Bump tslib from 2.0.1 to 2.0.3

Bumps [tslib](https://github.com/Microsoft/tslib) from 2.0.1 to 2.0.3.
- [Release notes](https://github.com/Microsoft/tslib/releases)
- [Commits](https://github.com/Microsoft/tslib/compare/2.0.1...2.0.3)

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

package.json

@@ -85,7 +85,7 @@
     "ts-loader": "^8.0.4",
     "ts-node": "^9.0.0",
     "tsconfig-paths-webpack-plugin": "^3.3.0",
-    "tslib": "^2.0.1",
+    "tslib": "^2.0.3",
     "tslint": "^6.1.3",
     "tslint-sonarts": "^1.9.0",
     "typescript": "^3.9.7",