build(deps-dev): bump vitest and @vitest/browser

Bumps [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest) and [@vitest/browser](https://github.com/vitest-dev/vitest/tree/HEAD/packages/browser). These dependencies needed to be updated together.

Updates `vitest` from 3.2.4 to 4.0.4
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.0.4/packages/vitest)

Updates `@vitest/browser` from 3.2.4 to 4.0.4
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.0.4/packages/browser)

---
updated-dependencies:
- dependency-name: vitest
  dependency-version: 4.0.4
  dependency-type: direct:development
  update-type: version-update:semver-major
- dependency-name: "@vitest/browser"
  dependency-version: 4.0.4
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package.json

@@ -45,7 +45,7 @@
     "@commitlint/types": "^19.8.1",
     "@eslint/js": "^9.38.0",
     "@types/node": "^24.9.1",
-    "@vitest/browser": "^3.2.4",
+    "@vitest/browser": "^4.0.4",
     "eslint": "^9.38.0",
     "husky": "^9.1.7",
     "lint-staged": "^16.2.6",
@@ -54,7 +54,7 @@
     "typescript": "^5.9.3",
     "typescript-eslint": "^8.46.2",
     "vite": "^7.1.12",
-    "vitest": "^3.2.4"
+    "vitest": "^4.0.4"
   },
   "dependencies": {
     "cidr-tools": "^11.0.3",