Merge pull request #6 from willforde/dependabot/github_actions/master/codecov/codecov-action-3.1.1

Bump codecov/codecov-action from 2.1.0 to 3.1.1

Author: willforde

.github/workflows/build-test.yml

@@ -28,6 +28,6 @@ jobs:
 
       - name: Upload test coverage to Codecov
         continue-on-error: true
-        uses: codecov/codecov-action@v2.1.0
+        uses: codecov/codecov-action@v3.1.1
         with:
           flags: unittests