Sign builds even when not releasing

This is intended to avoid scenarios where signing-issues only pop up when performing a release.

Author: guusdk

.github/workflows/maven-build.yml

@@ -21,8 +21,12 @@ jobs:
           java-version: ${{ matrix.java }}
           distribution: ${{ matrix.distribution }}
           cache: maven
+          gpg-private-key: ${{ secrets.MAVEN_GPG_PRIVATE_KEY }} # Value of the GPG private key to import
+          gpg-passphrase: MAVEN_GPG_PASSPHRASE # env variable for GPG private key passphrase
       - name: Build with Maven
-        run: mvn --batch-mode --update-snapshots verify
+        run: mvn --batch-mode --update-snapshots verify -Prelease
+        env:
+          MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}
       - name: Publish Test Report
         uses: mikepenz/action-junit-report@v5
         if: ${{ matrix.java == 8 && (success() || failure()) }}  # always run even if the previous step fails