TST: add CPython 3.13 to regular test matrix

.github/workflows/bleeding-edge.yaml

@@ -40,7 +40,7 @@ jobs:
         # the '-dev' suffix allows to use pre-releases if no final release is available yet
         # this version should be upgraded as often as possible, typically once a year when
         # Cython, numpy and matplotlib are known to be compatible
-        python-version: '3.12-dev'
+        python-version: '3.13-dev'
 
     - name: Install dependencies
       # PyYAML needs to be installed in isolation for now, because of a known

.github/workflows/build-test.yaml

@@ -25,14 +25,14 @@ jobs:
         os:
           - ubuntu-latest
           - macos-latest
-        python-version: ['3.12']
+        python-version: ['3.13']
         dependencies: [full]
         tests-type: [unit]
         test-runner: [pytest]
         venv-loc: [bin]
         include:
           - os: windows-latest
-            python-version: '3.12'
+            python-version: '3.13'
             dependencies: full
             tests-type: unit
             test-runner: pytest

.github/workflows/wheels.yaml

@@ -82,7 +82,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: '3.12'
+        python-version: '3.13'
     - name: install check-manifest
       run: |
         python -m pip install --upgrade pip