ci: send test reports to codecov

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

.github/workflows/build.yml

@@ -72,6 +72,12 @@ jobs:
           TESTFLAGS: "${{ (matrix.worker == 'docker' || matrix.worker == 'docker-container') && env.TESTFLAGS_DOCKER || env.TESTFLAGS }} --run=//worker=${{ matrix.worker }}$"
           TESTPKGS: "${{ matrix.pkg }}"
           SKIP_INTEGRATION_TESTS: "${{ matrix.skip-integration-tests }}"
+      -
+        name: Send to Codecov
+        if: always()
+        uses: codecov/codecov-action@v3
+        with:
+          directory: ./bin/testreports
       -
         name: Generate annotations
         if: always()