Bump the testing group with 2 updates

Bumps the testing group with 2 updates: [@vitest/coverage-v8](https://github.com/vitest-dev/vitest/tree/HEAD/packages/coverage-v8) and [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest).


Updates `@vitest/coverage-v8` from 3.2.4 to 4.0.6
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.0.6/packages/coverage-v8)

Updates `vitest` from 3.2.4 to 4.0.6
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.0.6/packages/vitest)

---
updated-dependencies:
- dependency-name: "@vitest/coverage-v8"
  dependency-version: 4.0.6
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: testing
- dependency-name: vitest
  dependency-version: 4.0.6
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: testing
...

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

Author: dependabot[bot]

package.json

@@ -54,14 +54,14 @@
   },
   "devDependencies": {
     "@biomejs/biome": "^1.9.4",
-    "@vitest/coverage-v8": "^3.0.8",
+    "@vitest/coverage-v8": "^4.0.6",
     "auto-changelog": "^2.5.0",
     "del-cli": "^7.0.0",
     "precise": "^4.0.3",
     "rollup": "^4.35.0",
     "tsd": "^0.33.0",
     "typescript": "~5.9.2",
-    "vitest": "^3.0.8"
+    "vitest": "^4.0.6"
   },
   "keywords": [
     "LRU",