feature: add code coverage report (thousandeyes#83)

add code coverage report to PR

.github/workflows/gradle.yml

@@ -3,22 +3,32 @@ name: Java CI with Gradle
 on:
   push:
     branches: [ "main" ]
-  pull_request:
+  pull_request_target:
     branches: [ "main" ]
 
 jobs:
   build:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
-    - uses: actions/setup-java@v4
-      with:
-        java-version: '17'
-        distribution: 'temurin'
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
+        with:
+          java-version: '17'
+          distribution: 'temurin'
 
-    - name: Setup Gradle
-      uses: gradle/actions/setup-gradle@v3
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v3
 
-    - name: Build with Gradle
-      run: gradle clean build --warning-mode none --parallel
+      - name: Build with Gradle
+        run: gradle clean build test --warning-mode none --parallel
+
+      - name: Add coverage to PR
+        id: jacoco
+        uses: madrapps/jacoco-report@v1.7.1
+        with:
+          paths: |
+            ${{ github.workspace }}/**/build/reports/jacoco/**/*.xml
+          token: ${{ secrets.GITHUB_TOKEN }}
+          min-coverage-overall: 40
+          min-coverage-changed-files: 60