style(ct): add common cache download to base image

Without accurate measuring it seems like we use ~1 minute to download Maven artifacts for this workflow. Lets try to cut that down some by reusing the common cache.

.github/workflows/container_base_push.yml

@@ -69,13 +69,19 @@ jobs:
                   echo "JAVA_VERSION=$(grep '<target.java.version>' modules/dataverse-parent/pom.xml | cut -f2 -d'>' | cut -f1 -d'<')" >> ${GITHUB_ENV}
 
             - name: Set up JDK ${{ env.JAVA_VERSION }}
+              id: setup-java
               uses: actions/setup-java@v4
               with:
                   java-version: ${{ env.JAVA_VERSION }}
                   distribution: 'temurin'
                   cache: 'maven'
                   cache-dependency-path: |
                       modules/container-base/pom.xml
+            - name: Download common cache on branch cache miss
+              if: ${{ steps.setup-java.outputs.cache-hit != 'true' }}
+              uses: actions/cache/restore@v4
+              with:
+                  key: dataverse-maven-cache
 
             # Note: Accessing, pushing tags etc. to DockerHub will only succeed in upstream and
             #       on events in context of upstream because secrets. PRs run in context of forks by default!