chore(deps): bump tslib from 2.4.1 to 2.8.1

Bumps [tslib](https://github.com/Microsoft/tslib) from 2.4.1 to 2.8.1.
- [Release notes](https://github.com/Microsoft/tslib/releases)
- [Commits](microsoft/tslib@2.4.1...v2.8.1)

---
updated-dependencies:
- dependency-name: tslib
  dependency-version: 2.8.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -29,7 +29,7 @@
     "js-yaml": "^4.1.0",
     "markdown-it": "^13.0.1",
     "rxjs": "~7.5.0",
-    "tslib": "^2.3.0",
+    "tslib": "^2.8.1",
     "xlsx": "^0.18.5",
     "yamljs": "^0.3.0",
     "zone.js": "~0.11.4"