Bump typescript from 5.7.3 to 6.0.3 in /web_embedding/ng-flutter

Bumps [typescript](https://github.com/microsoft/TypeScript) from 5.7.3 to 6.0.3.
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Commits](https://github.com/microsoft/TypeScript/compare/v5.7.3...v6.0.3)

---
updated-dependencies:
- dependency-name: typescript
  dependency-version: 6.0.3
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

web_embedding/ng-flutter/package.json

@@ -36,7 +36,7 @@
     "karma-coverage": "~2.2.0",
     "karma-jasmine": "~5.1.0",
     "karma-jasmine-html-reporter": "~2.1.0",
-    "typescript": "~5.7.2"
+    "typescript": "~6.0.3"
   },
   "sideEffects": false
 }