Update release action

Author: wimdeblauwe

.github/workflows/release.yml

@@ -40,8 +40,8 @@ jobs:
           mvn -Prelease \
             --no-transfer-progress \
             --batch-mode \
+            -Dgpg.passphrase=${{ secrets.GPG_PASSPHRASE }} \
             verify deploy
         env:
           OSSRH_USERNAME: ${{ secrets.OSSRH_USERNAME }}
           OSSRH_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}
-          MAVEN_GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}