Upgrade to python 3.13

    * .github/workflows/precommit.yaml:
    * .github/workflows/tests.yaml:

Author: jwillemsen

.github/workflows/precommit.yaml

@@ -17,7 +17,7 @@ jobs:
       - name: Setup Python
         uses: "actions/setup-python@v5"
         with:
-          python-version: "3.12"
+          python-version: "3.13"
       - name: Upgrade pip
         run: |
           pip install --constraint=.github/workflows/constraints.txt pip

.github/workflows/tests.yaml

@@ -17,7 +17,7 @@ jobs:
       - name: Setup Python
         uses: "actions/setup-python@v5"
         with:
-          python-version: "3.12"
+          python-version: "3.13"
       - name: Install requirements
         run: |
           pip install --constraint=.github/workflows/constraints.txt pip