Update: Codecov configuration and GitHub Actions (#100)

Author: Rolf-Smit

.github/workflows/build.yml

@@ -8,8 +8,8 @@ jobs:
     runs-on: macOS-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v3
-      - uses: actions/setup-java@v3
+        uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
           java-version: '17'
@@ -19,6 +19,7 @@ jobs:
           api-level: 28
           script: ./gradlew clean test --stacktrace
       - name: upload coverage
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
-          files: ./plugin/build/reports/jacoco/test/jacocoTestReport.xml
+          files: ./plugin/build/reports/jacoco/test/jacocoTestReport.xml
+          token: ${{ secrets.CODECOV_TOKEN }}