Update workflow to run on Docker instead of Ubuntu

Switching the runner to Docker improves consistency and aligns with containerized build environments. This change ensures better compatibility and reduces discrepancies in builds.

.gitea/workflows/docker-build.yml

@@ -8,7 +8,7 @@ on:
 
 jobs:
   build-and-push:
-    runs-on: ubuntu-latest
+    runs-on: docker
 
     steps:
       - name: Checkout Repository