Add GPG passphrase back to workflow

Author: oblonski

.github/workflows/publish-maven-central.yml

@@ -20,6 +20,7 @@ jobs:
           server-username: MAVEN_USERNAME
           server-password: MAVEN_PASSWORD
           gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
+          gpg-passphrase: MAVEN_GPG_PASSPHRASE
 
       - name: Debug GPG keys
         run: |
@@ -47,3 +48,4 @@ jobs:
         env:
           MAVEN_USERNAME: ${{ secrets.CENTRAL_USERNAME }}
           MAVEN_PASSWORD: ${{ secrets.CENTRAL_TOKEN }}
+          MAVEN_GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}