Update release.yml

Author: cx-pedro-lopes

.github/workflows/release.yml

@@ -30,6 +30,8 @@ jobs:
         server-id: ossrh
         server-username: MAVEN_USERNAME
         server-password: MAVEN_PASSWORD
+        gpg-private-key: ${{ secrets.MAVEN_GPG_PRIVATE_KEY }}
+        gpg-passphrase: MAVEN_GPG_PASSPHRASE
 
     - name: Update the POM version.
       run: mvn -B versions:set -DnewVersion='${{ env.RELEASE_VERSION }}' --file pom.xml -DskipTests
@@ -39,3 +41,4 @@ jobs:
       env:
         MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
         MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN }}
+        MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}