chore(ci): improve Java CI workflow

Author: nanotaboada

.github/workflows/maven.yml

@@ -10,69 +10,71 @@ on:
     branches: [ master ]
 
 jobs:
-
-  compile:
+  verify:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
       uses: actions/checkout@v4
-    - name: Set up OpenJDK 21
-      uses: actions/setup-java@v4
+
+    - name: Cache Git history
+      uses: actions/cache@v4
       with:
-        java-version: '21'
-        distribution: 'adopt'
-        cache: 'maven'
-    - name: Compile with Maven
-      run: mvn compile --file pom.xml
+        path: .git
+        key: ${{ runner.os }}-git-${{ github.sha }}
+        restore-keys: |
+          ${{ runner.os }}-git-
 
-  verify:
-    needs: compile
-    runs-on: ubuntu-latest
-    steps:
-    - name: Checkout repository
-      uses: actions/checkout@v4
     - name: Set up OpenJDK 21
       uses: actions/setup-java@v4
       with:
         java-version: '21'
         distribution: 'adopt'
         cache: 'maven'
-    - name: Verify with Maven
+
+    - name: Cache local Maven repository
+      uses: actions/cache@v4
+      with:
+        path: ~/.m2/repository
+        key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+        restore-keys: |
+          ${{ runner.os }}-maven-
+
+    - name: Compile and verify with Maven
       run: mvn verify --file pom.xml
+
     - name: Upload JaCoCo coverage report artifact
       uses: actions/upload-artifact@v4
       with:
         name: jacoco.xml
         path: ./target/site/jacoco/jacoco.xml
 
-  coverage-codecov:
+  coverage:
     needs: verify
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        service: [codecov, codacy]
     steps:
     - name: Checkout repository
       uses: actions/checkout@v4
+      with:
+        fetch-depth: ${{ matrix.service == 'codacy' && 0 || 1 }}
+
     - name: Download JaCoCo coverage report artifact
       uses: actions/download-artifact@v4
       with:
         name: jacoco.xml
+
     - name: Upload JaCoCo coverage report to Codecov
+      if: matrix.service == 'codecov'
       uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         files: jacoco.xml
 
-  coverage-codacy:
-    needs: verify
-    runs-on: ubuntu-latest
-    steps:
-    - name: Checkout repository
-      uses: actions/checkout@v4
-    - name: Download JaCoCo coverage report artifact
-      uses: actions/download-artifact@v4
-      with:
-        name: jacoco.xml
     - name: Upload JaCoCo coverage report to Codacy
+      if: matrix.service == 'codacy'
       uses: codacy/codacy-coverage-reporter-action@v1
       with:
         project-token: ${{ secrets.CODACY_PROJECT_TOKEN }}
-        coverage-reports: jacoco.xml
+        force-coverage-parser: jacoco -r jacoco.xml