Adjust docker workflow to run on self-hosted VM

Author: amrit110

.github/workflows/docker.yml

@@ -21,7 +21,9 @@ on:
 jobs:
   push_to_registry:
     name: Push Docker image to Docker Hub
-    runs-on: ubuntu-latest
+    runs-on:
+      - self-hosted
+      - docker
     steps:
       - name: Checkout repository
         uses: actions/checkout@v5.0.0