Update branch references from master to 1.x

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: loevgaard

.github/workflows/build.yaml

@@ -2,9 +2,7 @@ name: "build"
 on:
     push:
         branches:
-            - "1.*.x"
-            - "master"
-            - "main"
+            - "1.x"
         paths-ignore:
             - "**/*.md"
     pull_request:

README.md

@@ -157,10 +157,10 @@ During checkout, if the order contains age-restricted products and the shipping
 [ico-version]: https://poser.pugx.org/setono/sylius-age-verification-plugin/v/stable
 [ico-license]: https://poser.pugx.org/setono/sylius-age-verification-plugin/license
 [ico-github-actions]: https://github.com/Setono/sylius-age-verification-plugin/workflows/build/badge.svg
-[ico-code-coverage]: https://codecov.io/gh/Setono/sylius-age-verification-plugin/branch/master/graph/badge.svg
-[ico-infection]: https://img.shields.io/endpoint?style=flat&url=https%3A%2F%2Fbadge-api.stryker-mutator.io%2Fgithub.com%2FSetono%2FSyliusPluginSkeleton%2Fmaster
+[ico-code-coverage]: https://codecov.io/gh/Setono/sylius-age-verification-plugin/branch/1.x/graph/badge.svg
+[ico-infection]: https://img.shields.io/endpoint?style=flat&url=https%3A%2F%2Fbadge-api.stryker-mutator.io%2Fgithub.com%2FSetono%2Fsylius-age-verification-plugin%2F1.x
 
 [link-packagist]: https://packagist.org/packages/setono/sylius-age-verification-plugin
 [link-github-actions]: https://github.com/Setono/sylius-age-verification-plugin/actions
 [link-code-coverage]: https://codecov.io/gh/Setono/sylius-age-verification-plugin
-[link-infection]: https://dashboard.stryker-mutator.io/reports/github.com/Setono/sylius-age-verification-plugin/master
+[link-infection]: https://dashboard.stryker-mutator.io/reports/github.com/Setono/sylius-age-verification-plugin/1.x

composer.json

@@ -78,7 +78,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.0-dev"
+            "dev-1.x": "1.0-dev"
         }
     },
     "scripts": {