use new codecov action

.github/workflows/coverage.yml

@@ -38,9 +38,13 @@ jobs:
       -
         name: test coverage
         run: ./test_coverage.sh
-#      -
-#        name: prepare result
-#        run: find . -type f -name '*.gcno' -exec bash -c "(f={}; ls -l \$f; cd \${f%/*}; gcov -pb \${f##*/})" \;
       -
         name: push result
-        run: bash <(curl -s https://codecov.io/bash) -Z -a '-pb'
+        uses: codecov/codecov-action@v3
+        with:
+          name: codecov-umbrella
+          fail_ci_if_error: true
+          verbose: true
+          gcov: true
+          gcov_args: -pb
+          path_to_write_report: ./coverage_report.txt