use py312 for gha

Author: tcompa

.github/workflows/ci_poetry.yml

@@ -129,7 +129,7 @@ jobs:
       - run: poetry config virtualenvs.in-project true
       - uses: actions/setup-python@v5
         with:
-          python-version: "3.10"
+          python-version: "3.12"
 
       - name: Install dependencies
         run: poetry install --only dev