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

Bumps [nextcloud/rector](https://github.com/nextcloud-libraries/rector) from 0.2.1 to 0.3.1.
- [Changelog](https://github.com/nextcloud-libraries/rector/blob/main/CHANGELOG.md)
- [Commits](nextcloud-libraries/rector@v0.2.1...v0.3.1)

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

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

vendor-bin/rector/composer.json

@@ -6,7 +6,7 @@
 		"sort-packages": true
 	},
 	"require-dev": {
-		"nextcloud/rector": "^0.2",
+		"nextcloud/rector": "^0.3",
 		"rector/rector": "^2.0"
 	}
 }