ci: fix publish environment name (maven-central → maven)

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

Author: dfa1

.github/workflows/publish.yml

@@ -11,7 +11,7 @@ permissions:
 jobs:
   publish:
     runs-on: ubuntu-latest
-    environment: maven-central
+    environment: maven
     steps:
       - uses: actions/checkout@v4