build(deps): bump tslib from 2.7.0 to 2.8.1

Bumps [tslib](https://github.com/Microsoft/tslib) from 2.7.0 to 2.8.1.
- [Release notes](https://github.com/Microsoft/tslib/releases)
- [Commits](microsoft/tslib@v2.7.0...v2.8.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -53,7 +53,7 @@
     "material-icons": "^1.13.12",
     "roboto-fontface": "^0.10.0",
     "rxjs": "^7.8.1",
-    "tslib": "^2.7.0",
+    "tslib": "^2.8.1",
     "zone.js": "^0.14.10"
   },
   "devDependencies": {