Update publish_release_branch.yml

Author: bitwiseman

.github/workflows/publish_release_branch.yml

@@ -22,7 +22,7 @@ jobs:
           server-id: sonatype-nexus-staging
           server-username: MAVEN_USERNAME
           server-password: MAVEN_PASSWORD
-          gpg-private-key: ${{ secrets.MAVEN_GPG_PRIVATE_KEY }}
+          gpg-private-key: ${{ secrets.OSSRH_GPG_SECRET_KEY }}
           gpg-passphrase: MAVEN_GPG_PASSPHRASE
       - name: Maven Install and Site with Code Coverage
         env: