chore(deps): bump knip from 5.66.3 to 5.66.4 in /tools/test-dependencies

Bumps [knip](https://github.com/webpro-nl/knip/tree/HEAD/packages/knip) from 5.66.3 to 5.66.4.
- [Release notes](https://github.com/webpro-nl/knip/releases)
- [Changelog](https://github.com/webpro-nl/knip/blob/main/packages/knip/.release-it.json)
- [Commits](https://github.com/webpro-nl/knip/commits/5.66.4/packages/knip)

---
updated-dependencies:
- dependency-name: knip
  dependency-version: 5.66.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

tools/test-dependencies/package.json

@@ -6,6 +6,6 @@
     "node": ">=20.18"
   },
   "dependencies": {
-    "knip": "5.66.3"
+    "knip": "5.66.4"
   }
 }