Merge pull request #56 from arduino/dependabot/github_actions/codecov/codecov-action-3

Bump codecov/codecov-action from 2 to 3

Author: per1234

.github/workflows/test-python.yml

@@ -78,7 +78,7 @@ jobs:
               coverage report
 
       - name: Upload coverage report to Codecov
-        uses: codecov/codecov-action@v2
+        uses: codecov/codecov-action@v3
         with:
           file: ${{ env.COVERAGE_DATA_FILENAME }}
           fail_ci_if_error: true