clean workspace folder on the host and DinD at start of run

.forgejo/workflows/ci.yml

@@ -69,11 +69,13 @@ jobs:
         # Use the pre-configured workspace directory (created in CI guide Step 7.3)
         
         # Clone the repository to workspace
+        rm -rf /tmp/ci-workspace
         git clone "${{ gitea.server_url }}/${{ gitea.repository }}" /tmp/ci-workspace
         cd /tmp/ci-workspace
         git checkout "${{ gitea.sha }}"
         
         # Copy workspace to DinD container
+        docker exec ci-dind rm -rf /workspace/*
         docker cp /tmp/ci-workspace/. ci-dind:/workspace/
         
         # Start testing environment using dedicated compose file inside DinD