needs more cow bell

Add back setup python but pin it to 3.13

.github/workflows/ci.yml

@@ -308,6 +308,10 @@ jobs:
     steps:
       - name: Check out code
         uses: mobilecoinofficial/gh-actions/checkout@v0
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.13'
       - name: Set up environment
         working-directory: tools/fog-local-network
         shell: bash