Chore(deps): Bump tslib from 2.7.0 to 2.8.1 in /src-ui (#8149)

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

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

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src-ui/package.json

@@ -34,7 +34,7 @@
     "ngx-file-drop": "^16.0.0",
     "ngx-ui-tour-ng-bootstrap": "^15.0.0",
     "rxjs": "^7.8.1",
-    "tslib": "^2.7.0",
+    "tslib": "^2.8.1",
     "uuid": "^10.0.0",
     "zone.js": "^0.14.8"
   },