chore: fix gpg private key reference for CICD

Author: schrepfler

.github/workflows/maven-publish.yml

@@ -22,7 +22,7 @@ jobs:
         server-id: ossrh                                      # Value of the distributionManagement/repository/id field of the pom.xml
         server-username: MAVEN_USERNAME                       # env variable for username in deploy
         server-password: MAVEN_PASSWORD                       # env variable for token in deploy
-        gpg-private-key: ${{ secrets.MAVEN_GPG_PRIVATE_KEY }} # Value of the GPG private key to import
+        gpg-private-key: ${{ secrets.OSSRH_GPG_SECRET_KEY }}  # Value of the GPG private key to import
         gpg-passphrase: MAVEN_GPG_PASSPHRASE                  # env variable for GPG private key passphrase
 #         settings-path: ${{ github.workspace }}              # location for the settings.xml file