Update docker.yml

.github/workflows/docker.yml

@@ -9,16 +9,14 @@ on:
 
 jobs:
   build_and_push_docker_image:
-    runs-on: ci
+    runs-on: t4
     if: github.repository_owner == 'dptech-corp'
     strategy:
       matrix:
         target: [unidock, unidock_tools]
       max-parallel: 1 # Ensures unidock_tools is built after unidock
 
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
       - name: Docker meta
         id: meta
         uses: docker/metadata-action@v5