chore(deps-dev): Bump nextcloud/rector in /vendor-bin/rector

Bumps [nextcloud/rector](https://github.com/nextcloud-libraries/rector) from 0.4.1 to 0.5.1.
- [Release notes](https://github.com/nextcloud-libraries/rector/releases)
- [Changelog](https://github.com/nextcloud-libraries/rector/blob/main/CHANGELOG.md)
- [Commits](nextcloud-libraries/rector@v0.4.1...v0.5.1)

---
updated-dependencies:
- dependency-name: nextcloud/rector
  dependency-version: 0.5.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

vendor-bin/rector/composer.json

@@ -1,6 +1,6 @@
 {
     "require-dev": {
-        "nextcloud/rector": "^0.4.1"
+        "nextcloud/rector": "^0.5.1"
     },
     "config": {
         "platform": {