Build(deps): Bump tslib from 2.5.0 to 2.5.3 (#3268)

Bumps [tslib](https://github.com/Microsoft/tslib) from 2.5.0 to 2.5.3.
- [Release notes](https://github.com/Microsoft/tslib/releases)
- [Commits](https://github.com/Microsoft/tslib/compare/2.5.0...v2.5.3)

---
updated-dependencies:
- dependency-name: tslib
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -65,7 +65,7 @@
     "moment-es6": "1.0.0",
     "pdfjs-dist": "3.3.122",
     "rxjs": "6.6.6",
-    "tslib": "^2.5.0",
+    "tslib": "^2.5.3",
     "zone.js": "0.11.8"
   },
   "devDependencies": {