Merge pull request #238 from per1234/bump-codecov-action

Bump `codecov/codecov-action` workflow dependency to v2

Author: per1234

.github/workflows/test-go-task.yml

@@ -53,7 +53,7 @@ jobs:
 
       - name: Send unit tests coverage to Codecov
         if: matrix.operating-system == 'ubuntu-latest'
-        uses: codecov/codecov-action@v1
+        uses: codecov/codecov-action@v2
         with:
           file: ./coverage_unit.txt
           flags: unit