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

Bumps [rector/rector](https://github.com/rectorphp/rector) from 2.5.2 to 2.5.5.
- [Release notes](https://github.com/rectorphp/rector/releases)
- [Commits](rectorphp/rector@2.5.2...2.5.5)

---
updated-dependencies:
- dependency-name: rector/rector
  dependency-version: 2.5.5
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

vendor-bin/rector/composer.json

@@ -7,7 +7,7 @@
 	},
 	"require-dev": {
 		"nextcloud/rector": "^0.5.1",
-		"rector/rector": "^2.4"
+		"rector/rector": "^2.5"
 	},
 	"autoload": {
 		"psr-4": {