Update action.yml

Author: brandonkachen

.github/actions/setup-project/action.yml

@@ -11,9 +11,8 @@ runs:
   using: 'composite'
   steps:
     - name: Set up Bun
-      uses: oven-sh/setup-bun@v2
-      with:
-        bun-version: ${{ inputs.bun-version }}
+      shell: bash
+      run: npm install -g bun@${{ inputs.bun-version }}
 
     - name: Cache dependencies
       uses: actions/cache@v4