fix up ci formatting

Author: kratsg

.github/workflows/ci.yml

@@ -26,7 +26,7 @@ jobs:
           fetch-depth: 0
       - uses: actions/setup-python@v5
         with:
-          python-version: "3.x"
+          python-version: "3.12" # should be 3.x
       - uses: pre-commit/[email protected]
         with:
           extra_args: --hook-stage manual --all-files