Refactor CI workflows and update Docker build process

- Removed caching step for pip in ci.yml to streamline dependency installation.
- Added a blank line in docker-build.yml for improved readability and organization of job steps.

.gitea/workflows/docker-build.yml

@@ -72,3 +72,4 @@ jobs:
           tag_name: ${{ needs.build-and-push.outputs.tag }}
           body_path: release_notes.md
           target_commitish: ${{ github.sha }}
+