feat: add Bun setup step to deploy workflow

- Introduced a new step to set up Bun in the GitHub Actions deploy workflow, enhancing the build process for JavaScript applications.

.github/workflows/deploy.yml

@@ -11,6 +11,10 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
+        
  
       - name: Log in to Docker Hub
         uses: docker/login-action@v2