composer(deps-dev): Bump symplify/config-transformer

Bumps [symplify/config-transformer](https://github.com/symplify/config-transformer) from 12.2.6 to 12.3.0.
- [Commits](symplify/config-transformer@12.2.6...12.3.0)

---
updated-dependencies:
- dependency-name: symplify/config-transformer
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

composer.json

@@ -55,7 +55,7 @@
     "psalm/plugin-phpunit": "~0.18.4",
     "psalm/plugin-symfony": "^5.1.0",
     "rector/rector": "~0.19.0",
-    "symplify/config-transformer": "^12.2.6",
+    "symplify/config-transformer": "^12.3.0",
     "vimeo/psalm": "^5.19.0"
   },
   "replace": {