remove token

.github/workflows/pr-checks.yml

@@ -35,14 +35,23 @@ jobs:
       - name: Checkout Git Repository
         uses: actions/checkout@v3
 
-      - name: Unit Tests with Code Coverage
+      - name: Run Go Tests
+        run: make test
+
+      - name: Check format
         run: |
-          make test
+          if [[ $(go fmt `go list ./... | grep -v vendor`) ]]; then
+            echo "not well formatted sources are found"
+            exit 1
+          fi
 
-      - name: Upload Code Coverage Report
-        uses: codecov/codecov-action@v3
+      - name: Generate coverage report
+        run: |
+          go test `go list ./... | grep -v examples` -coverprofile=coverage.txt -covermode=atomic
+
+      - name: Upload coverage report
+        uses: codecov/codecov-action@v1
         with:
-          token: ${{ secrets.CODECOV_TOKEN }}
-          file: cover.out
-          verbose: true
-          fail_ci_if_error: true
+          file: ./coverage.txt
+          flags: unittests
+          name: codecov-umbrella