Try to solve GH action issues...

Author: cowtowncoder

.github/workflows/main.yml

@@ -45,7 +45,7 @@ jobs:
         # gpg-private-key: ${{ secrets.MAVEN_GPG_PRIVATE_KEY }} # Value of the GPG private key to import
         # gpg-passphrase: MAVEN_GPG_PASSPHRASE # env variable for GPG private key passphrase
     - name: Build
-      run: ./mvnw -B -ff -ntp verify
+      run: ./mvnw -B -ff -ntp clean verify
     - name: Extract project Maven version
       id: projectVersion
       run: echo ::set-output name=version::$(./mvnw org.apache.maven.plugins:maven-help-plugin:3.2.0:evaluate -DforceStdout -Dexpression=project.version -q)