Add back central repo username and password

Author: headius

.github/workflows/ci.yml

@@ -45,6 +45,8 @@ jobs:
           distribution: 'temurin'
           java-version: 11
           server-id: central
+          server-username: MAVEN_USERNAME
+          server-password: MAVEN_PASSWORD
       - name: Publish package
         run: mvn -B deploy
         env: