Bump vitest from 1.5.0 to 2.1.2 in /packages/worker

Bumps [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest) from 1.5.0 to 2.1.2.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v2.1.2/packages/vitest)

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

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

packages/worker/package.json

@@ -29,6 +29,6 @@
 		"prettier": "^3.3.3",
 		"typescript": "^5.6.2",
 		"typescript-eslint": "^8.6.0",
-		"vitest": "1.5.0"
+		"vitest": "2.1.2"
 	}
 }