chore(pwa): bump vitest from 4.1.8 to 4.1.9 in /apps/web

Bumps [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest) from 4.1.8 to 4.1.9.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Changelog](https://github.com/vitest-dev/vitest/blob/main/docs/releases.md)
- [Commits](https://github.com/vitest-dev/vitest/commits/HEAD/packages/vitest)

---
updated-dependencies:
- dependency-name: vitest
  dependency-version: 4.1.9
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

apps/web/package.json

@@ -29,7 +29,7 @@
     "typescript-eslint": "^8.60.1",
     "vite": "^8.0.16",
     "vite-plugin-pwa": "^1.3.0",
-    "vitest": "^4.1.8",
+    "vitest": "^4.1.9",
     "workbox-build": "^7.3.0"
   }
 }