Downgrade to Java 1.8

Signed-off-by: Ricardo Zanini <zanini@redhat.com>

Author: ricardozanini

.github/workflows/release.yml

@@ -29,11 +29,11 @@ jobs:
           gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
           passphrase: ${{ secrets.GPG_PASSPHRASE }}
 
-      - name: Set up JDK 11
+      - name: Set up JDK 1.8
         uses: actions/setup-java@v3
         with:
           distribution: temurin
-          java-version: 11
+          java-version: 1.8
           cache: 'maven'
           server-id: ossrh
           server-username: MAVEN_USERNAME