deps: bump @cloudflare/vitest-pool-workers from 0.16.10 to 0.16.12

Bumps [@cloudflare/vitest-pool-workers](https://github.com/cloudflare/workers-sdk/tree/HEAD/packages/vitest-pool-workers) from 0.16.10 to 0.16.12.
- [Release notes](https://github.com/cloudflare/workers-sdk/releases)
- [Changelog](https://github.com/cloudflare/workers-sdk/blob/main/packages/vitest-pool-workers/CHANGELOG.md)
- [Commits](https://github.com/cloudflare/workers-sdk/commits/@cloudflare/vitest-pool-workers@0.16.12/packages/vitest-pool-workers)

---
updated-dependencies:
- dependency-name: "@cloudflare/vitest-pool-workers"
  dependency-version: 0.16.12
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -25,7 +25,7 @@
 		"import:privatebin:fs": "node ./scripts/import-privatebin-filesystem.mjs"
 	},
 	"devDependencies": {
-		"@cloudflare/vitest-pool-workers": "^0.16.10",
+		"@cloudflare/vitest-pool-workers": "^0.16.12",
 		"@types/node": "^25.9.1",
 		"@vitest/coverage-istanbul": "4.1.7",
 		"@vitest/runner": "4.1.7",