set python version

Author: zaro0508

.github/workflows/deploy.yaml

@@ -14,6 +14,8 @@ jobs:
       - uses: actions/checkout@v3
       - name: Set up Python
         uses: actions/setup-python@v6
+        with:
+          python-version: 3.12
       - uses: pre-commit/action@v3.0.0
       - name: Setup `packer`
         uses: hashicorp/setup-packer@main