composer(deps-dev): Bump rector/rector from 1.2.7 to 1.2.8

Bumps [rector/rector](https://github.com/rectorphp/rector) from 1.2.7 to 1.2.8.
- [Release notes](https://github.com/rectorphp/rector/releases)
- [Commits](rectorphp/rector@1.2.7...1.2.8)

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

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

Author: dependabot[bot]

composer.json

@@ -34,7 +34,7 @@
     "fakerphp/faker": "~1.20.0",
     "psalm/plugin-phpunit": "~0.19.0",
     "psr/container": "~1.0.0",
-    "rector/rector": "^1.2.7",
+    "rector/rector": "^1.2.8",
     "vimeo/psalm": "^5.26.1"
   },
   "minimum-stability": "dev",