add oven-sh/setup-bun@v1 to workflow

Author: cdleveille

.github/workflows/deploy.yml

@@ -16,6 +16,9 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
+    - uses: oven-sh/setup-bun@v1
+      with:
+        bun-version: latest
 
     - name: Install dependencies and lint project
       run: |