add maven cache to github actions

Author: jeromevdl

.github/workflows/build.yml

@@ -54,6 +54,7 @@ jobs:
         with:
           distribution: 'zulu'
           java-version: ${{ matrix.java }}
+          cache: maven
       - name: Build with Maven
         run: mvn -Pbuild-without-spotbugs -B package --file pom.xml
   savepr:

.github/workflows/run-e2e-tests.yml

@@ -37,6 +37,7 @@ jobs:
         with:
           distribution: 'corretto'
           java-version: ${{ matrix.java }}
+          cache: maven
       - name: Setup AWS credentials
         uses: aws-actions/configure-aws-credentials@v1.6.1
         with: