Bump tslib from 2.4.0 to 2.4.1 (#8062)

Bumps [tslib](https://github.com/Microsoft/tslib) from 2.4.0 to 2.4.1.
- [Release notes](https://github.com/Microsoft/tslib/releases)
- [Commits](https://github.com/Microsoft/tslib/compare/2.4.0...2.4.1)

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

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

package.json

@@ -89,7 +89,7 @@
     "raphael": "2.3.0",
     "rxjs": "6.6.6",
     "subscriptions-transport-ws": "^0.11.0",
-    "tslib": "^2.0.0",
+    "tslib": "^2.4.1",
     "zone.js": "~0.11.4"
   },
   "devDependencies": {