chore(deps): update codecov/codecov-action action to v2

Author: renovate-bot

.github/workflows/go.yml

@@ -52,7 +52,7 @@ jobs:
       run: go test -race -coverprofile=coverage.txt -covermode=atomic ./...
 
     - name: Upload coverage
-      uses: codecov/codecov-action@v1
+      uses: codecov/codecov-action@v2
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: coverage.txt