Add Codecov support

Author: dwalluck

Diff for: .github/workflows/maven.yml

@@ -57,5 +57,13 @@ jobs:
           java-version: ${{ matrix.java }}
       - name: Build with Maven
         run: mvn -B -e -V -DskipTests verify
-#     - name: Codecov
-#       uses: codecov/codecov-action@v1
+      - name: Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+      - name: Upload test results to Codecov
+        if: ${{ !cancelled() }}
+        uses: codecov/test-results-action@v1
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: **/target/*-reports/TEST-*.xml