Update rector/rector requirement from 0.10.12 to 0.10.15 (#4627)

Updates the requirements on [rector/rector](https://github.com/rectorphp/rector) to permit the latest version.
- [Release notes](https://github.com/rectorphp/rector/releases)
- [Changelog](https://github.com/rectorphp/rector/blob/main/CHANGELOG.md)
- [Commits](rectorphp/rector@0.10.12...0.10.15)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

composer.json

@@ -22,7 +22,7 @@
 		"phpstan/phpstan": "0.12.85",
 		"phpunit/phpunit": "^9.1",
 		"predis/predis": "^1.1",
-		"rector/rector": "0.10.12",
+		"rector/rector": "0.10.15",
 		"squizlabs/php_codesniffer": "^3.3"
 	},
 	"suggest": {