Python 3.13 support in CI (#187)

- add support for Python 3.13
- add Python 3.13 to GH action python version matrixes

Author: sfneal

.github/workflows/pip.yml

@@ -11,7 +11,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
 
     name: Python ${{ matrix.python-version }} (${{ matrix.os }})
 

.github/workflows/tests.yml

@@ -11,7 +11,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
 
     name: Python ${{ matrix.python-version }} (${{ matrix.os }})