fix: update registry authentication to use GITEA_TOKEN in CI workflow

.gitea/workflows/cicd.yml

@@ -49,7 +49,7 @@ jobs:
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
+          password: ${{ secrets.GITEA_TOKEN }}
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta