Run the Maven default goal in the GitHub builds.

Author: garydgregory

.github/workflows/maven.yml

@@ -44,4 +44,4 @@ jobs:
       with:
         java-version: ${{ matrix.java }}
     - name: Build with Maven
-      run: mvn -V package --file pom.xml --no-transfer-progress
+      run: mvn -V --file pom.xml --no-transfer-progress