Install python in rusty LHA

.github/workflows/lha_bot_rust.yml

@@ -23,11 +23,21 @@ jobs:
     #     username: ${{ github.repository_owner }}
     #     password: ${{ secrets.GITHUB_TOKEN }}
 
+    strategy:
+      matrix:
+        python-version: ["3.12"]
+      fail-fast: false
+
     steps:
       - uses: actions/checkout@v2
+        # with:
+        #   # tags needed for dynamic versioning
+        #   fetch-depth: 0
+      - name: Set up Python ${{ matrix.python-version }} 🐍
+        id: setup-python
+        uses: actions/setup-python@v5
         with:
-          # tags needed for dynamic versioning
-          fetch-depth: 0
+          python-version: ${{ matrix.python-version }}
       - name: Install and configure Poetry
         uses: snok/install-poetry@v1
         with: