actually use the ref to build programs

Author: nhanphan

.github/workflows/build-programs.yml

@@ -32,6 +32,8 @@ jobs:
     steps:
       - name: Git checkout
         uses: actions/checkout@v4
+        with:
+          ref: ${{ inputs.git_ref }}
 
       - name: Load environment variables
         run: cat .github/.env >> $GITHUB_ENV