chore(deps-dev): bump vitest

Bumps the vitest group in /src/bhs-web-angular-app with 1 update: [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest).


Updates `vitest` from 3.2.4 to 4.0.3
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.0.3/packages/vitest)

---
updated-dependencies:
- dependency-name: vitest
  dependency-version: 4.0.3
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: vitest
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/bhs-web-angular-app/package.json

@@ -60,6 +60,6 @@
     "tailwindcss": "^4.1.16",
     "typescript": "~5.9.3",
     "typescript-eslint": "^8.46.2",
-    "vitest": "^3.2.4"
+    "vitest": "^4.0.6"
   }
 }