Bump @vitest/coverage-v8 from 3.2.4 to 4.0.18

Bumps [@vitest/coverage-v8](https://github.com/vitest-dev/vitest/tree/HEAD/packages/coverage-v8) from 3.2.4 to 4.0.18.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.0.18/packages/coverage-v8)

---
updated-dependencies:
- dependency-name: "@vitest/coverage-v8"
  dependency-version: 4.0.18
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package.json

@@ -70,7 +70,7 @@
         "@lokalise/tsconfig": "^3.0.0",
         "@types/newrelic": "^9.14.8",
         "@types/node": "^24.7.0",
-        "@vitest/coverage-v8": "^3.2.4",
+        "@vitest/coverage-v8": "^4.0.18",
         "auto-changelog": "^2.4.0",
         "bullmq": "^5.67.1",
         "fastify": "^5.7.2",