build(deps-dev): bump typescript from 5.6.3 to 5.7.3 in /webapp

Bumps [typescript](https://github.com/microsoft/TypeScript) from 5.6.3 to 5.7.3.
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Changelog](https://github.com/microsoft/TypeScript/blob/main/azure-pipelines.release.yml)
- [Commits](https://github.com/microsoft/TypeScript/compare/v5.6.3...v5.7.3)

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

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

webapp/package.json

@@ -41,7 +41,7 @@
     "pulltorefreshjs": "^0.1.22",
     "sass": "=1.77.6",
     "terser": "^5.36.0",
-    "typescript": "^5.6.3",
+    "typescript": "^5.7.3",
     "vite": "^5.4.10",
     "vite-plugin-compression": "^0.5.1",
     "vite-plugin-css-injected-by-js": "^3.5.2",