minor #26806 [Messenger] Fix composer branch-alias (ogizanagi)

This PR was merged into the 4.1-dev branch.

Discussion
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[Messenger] Fix composer branch-alias

| Q             | A
| ------------- | ---
| Branch?       | master <!-- see below -->
| Bug fix?      | no
| New feature?  | no <!-- don't forget to update src/**/CHANGELOG.md files -->
| BC breaks?    | no     <!-- see https://symfony.com/bc -->
| Deprecations? | no <!-- don't forget to update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Tests pass?   | yes    <!-- please add some, will be required by reviewers -->
| Fixed tickets | N/A   <!-- #-prefixed issue number(s), if any -->
| License       | MIT
| Doc PR        | N/A

The 4.0-dev alias might need to be removed manually from packagist.

Commits
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a01b8e420d [Messenger] Fix composer branch-alias

src/Symfony/Component/Messenger/composer.json

@@ -35,7 +35,7 @@
     "minimum-stability": "dev",
     "extra": {
         "branch-alias": {
-            "dev-master": "4.0-dev"
+            "dev-master": "4.1-dev"
         }
     }
 }