Bump tslib from 2.6.2 to 2.6.3 in /frontend

Bumps [tslib](https://github.com/Microsoft/tslib) from 2.6.2 to 2.6.3.
- [Release notes](https://github.com/Microsoft/tslib/releases)
- [Commits](microsoft/tslib@v2.6.2...v2.6.3)

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

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

frontend/package.json

@@ -12,7 +12,7 @@
     "@tsconfig/svelte": "^5.0.2",
     "autoprefixer": "^10.4.16",
     "postcss": "^8.4.38",
-    "tslib": "^2.6.2",
+    "tslib": "^2.6.3",
     "typescript": "^5.3.3",
     "vite": "^4.4.9"
   },