build(deps-dev): bump @cloudflare/vitest-pool-workers

Bumps [@cloudflare/vitest-pool-workers](https://github.com/cloudflare/workers-sdk/tree/HEAD/packages/vitest-pool-workers) from 0.8.23 to 0.9.8.
- [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/[email protected]/packages/vitest-pool-workers)

---
updated-dependencies:
- dependency-name: "@cloudflare/vitest-pool-workers"
  dependency-version: 0.9.8
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

packages/pg/package.json

@@ -39,7 +39,7 @@
     "pgpass": "1.0.5"
   },
   "devDependencies": {
-    "@cloudflare/vitest-pool-workers": "0.8.23",
+    "@cloudflare/vitest-pool-workers": "0.9.8",
     "@cloudflare/workers-types": "^4.20230404.0",
     "async": "2.6.4",
     "bluebird": "3.7.2",