Bump knip from 5.37.1 to 5.38.4

Bumps [knip](https://github.com/webpro-nl/knip/tree/HEAD/packages/knip) from 5.37.1 to 5.38.4.
- [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/5.38.4/packages/knip)

---
updated-dependencies:
- dependency-name: knip
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

package.json

@@ -46,7 +46,7 @@
   },
   "devDependencies": {
     "eslint": "^9.14.0",
-    "knip": "^5.36.6",
+    "knip": "^5.38.4",
     "eslint-plugin-fastify-security-rules": "^1.2.0",
     "@types/node": "^22.9.0",
     "markdownlint-cli": "^0.42.0",