Try fixing python version mismatch

Author: saulshanabrook

.github/workflows/CI.yml

@@ -59,7 +59,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version-file: "pyproject.toml"
+          python-version-file: ".python-version"
       - uses: astral-sh/setup-uv@v6
         with:
           enable-cache: true

.python-version

@@ -1 +1 @@
-3.12
+3.13