pin python to 3.12.3

Author: garrettgu10

.github/workflows/build-packages.yaml

@@ -31,7 +31,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.12
+          python-version: 3.12.3
 
       - name: Install dependencies
         env: