build(deps-dev): bump @eslint/js from 9.18.0 to 9.20.0 (#354)

Bumps [@eslint/js](https://github.com/eslint/eslint/tree/HEAD/packages/js) from 9.18.0 to 9.20.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/main/CHANGELOG.md)
- [Commits](https://github.com/eslint/eslint/commits/v9.20.0/packages/js)

---
updated-dependencies:
- dependency-name: "@eslint/js"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -23,7 +23,7 @@
   "devDependencies": {
     "@cloudflare/vitest-pool-workers": "^0.6.11",
     "@cloudflare/workers-types": "^4.20250214.0",
-    "@eslint/js": "^9.17.0",
+    "@eslint/js": "^9.20.0",
     "@fontsource-variable/space-grotesk": "^5.1.1",
     "@fullhuman/postcss-purgecss": "^7.0.2",
     "@openpgp/web-stream-tools": "^0.1.3",