Fix: Explicitly use Bourne shell (sh) for Install Docker CLI step

.github/workflows/docker-build.yml

@@ -16,6 +16,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Docker CLI
+        shell: sh
         run: |
           if ! command -v docker >/dev/null 2>&1; then
             echo "Docker CLI not found. Installing static binary..."