revert: Codecov Action to v3 (#206)

* revert: Codecov Action to v3

* fix: Update .github/workflows/step-dotnet-tests.yml

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Signed-off-by: Martin Stühmer <me@samtrion.net>

---------

Signed-off-by: Martin Stühmer <me@samtrion.net>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: samtrion

.github/workflows/step-dotnet-tests.yml

@@ -142,7 +142,8 @@ jobs:
         dotnet-sonarscanner end /d:sonar.token="${{ secrets.SONAR_TOKEN }}"
 
     - name: Update codecov
-      uses: codecov/codecov-action@v5.4.2
+      # Temporary workaround for Codecov Action issue: https://github.com/codecov/codecov-action/issues/1735
+      uses: codecov/codecov-action@v3
       if: ${{ env.codecov_token != '' && (success() || steps.test.conclusion == 'failure' || steps.sonar.conclusion == 'skipped' ) }}
       with:
         token: ${{ env.codecov_token }}