Add Python 3.13 to the build matrix

Author: oscarbenjamin

.github/workflows/buildwheel.yml

@@ -107,7 +107,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-20.04, windows-2019, macos-13, macos-14]
-        python-version: ['3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13-dev']
 
     steps:
       - uses: actions/setup-python@v5

pyproject.toml

@@ -57,7 +57,7 @@ package = "flint"
 [tool.cibuildwheel]
 # requires-python needs to keep in sync with this and also the list of Python
 # versions the wheels are tested against in CI.
-build = "cp39-* cp310-* cp311-* cp312-*"
+build = "cp39-* cp310-* cp311-* cp312-* cp313-*"
 skip = "*-win32 *-manylinux_i686 *-musllinux_*"
 manylinux-x86_64-image = "manylinux2014"
 manylinux-i686-image = "manylinux2014"