#492: Use Maven dependency cache in CI workflows

.github/workflows/build-pr.yml

@@ -19,6 +19,7 @@ jobs:
         with:
           distribution: 'temurin'
           java-version: '25'
+          cache: 'maven'
       - name: Check formatting (Spotless, changed files only)
         # Ratchets to origin/main, so only files changed by this PR are checked.
         # Fix locally with: mvn spotless:apply

.github/workflows/build.yml

@@ -20,6 +20,7 @@ jobs:
         with:
           distribution: 'temurin'
           java-version: '25'
+          cache: 'maven'
       - name: Build project with Maven
         run: mvn -B -ntp -Dstyle.color=always install
       - name: Coveralls GitHub Action

.github/workflows/mutation-test.yml

@@ -18,6 +18,7 @@ jobs:
         with:
           distribution: 'temurin'
           java-version: '25'
+          cache: 'maven'
       - name: Run pitest coverage
         run: |
           cd cli

.github/workflows/nightly-build.yml

@@ -56,6 +56,7 @@ jobs:
           distribution: 'graalvm-community'
           github-token: ${{ secrets.GITHUB_TOKEN }}
           native-image-job-reports: 'true'
+          cache: 'maven'
       - name: Build native image
         shell: bash
         run: |
@@ -136,6 +137,7 @@ jobs:
         with:
           distribution: 'temurin'
           java-version: '25'
+          cache: 'maven'
       - name: Download natives and build project
         uses: actions/download-artifact@v8
         with:

.github/workflows/release.yml

@@ -56,6 +56,7 @@ jobs:
           distribution: 'graalvm-community'
           github-token: ${{ secrets.GITHUB_TOKEN }}
           native-image-job-reports: 'true'
+          cache: 'maven'
       - name: Build native image
         shell: bash
         run: |