Upload code coverage

Author: mogensen

.github/workflows/coverage.yaml

@@ -16,4 +16,9 @@ jobs:
       -
         name: Generate coverage report
         run: go test ./... -coverprofile=coverage.txt -covermode=atomic
-        
+      -
+        name: Upload coverage report
+        uses: codecov/[email protected]
+        with:
+          file: ./coverage.txt
+          flags: unittests