ci: fix some more warnings in pre_commit.yaml

Let's just use the latest python version.

I didn't see where we actually use actions/cache, hopefully the
actions/setup-python bump fixes that warning.

.github/workflows/pre_commit.yml

@@ -9,7 +9,9 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - uses: actions/checkout@v4
-            - uses: actions/setup-python@v4
+            - uses: actions/setup-python@v5
+              with:
+                python-version: '3.12'
             - name: Install dependencies
               run: |
                 sudo apt update