Add Python free-threading to CI (#1554)

.github/workflows/tests.yml

@@ -7,8 +7,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
-      - run: python -m pip install --upgrade pip wheel
+      - run: python -m pip install --upgrade pip wheel tox
-      - run: pip install tox tox-gh-actions
       - run: tox -eflake8
       - run: tox -edocs
   tests:
@@ -16,7 +15,7 @@ jobs:
     strategy:
       matrix:
         os: [windows-latest, macos-latest, ubuntu-latest]
-        python: ['3.10', '3.11', '3.12', '3.13', '3.14', 'pypy-3.11']
+        python: ['3.10', '3.11', '3.12', '3.13', '3.14', '3.14t', 'pypy3.11']
       fail-fast: false
     runs-on: ${{ matrix.os }}
     steps:
@@ -24,8 +23,7 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python }}
-      - run: python -m pip install --upgrade pip wheel
+      - run: python -m pip install --upgrade pip wheel tox
-      - run: pip install tox tox-gh-actions
       - run: tox
   coverage:
     name: coverage
@@ -33,8 +31,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
-      - run: python -m pip install --upgrade pip wheel
+      - run: python -m pip install --upgrade pip wheel tox
-      - run: pip install tox tox-gh-actions
       - run: tox
       - uses: codecov/codecov-action@v3
         with:

tox.ini

@@ -1,16 +1,3 @@
-[tox]
-envlist=flake8,py{310,311,312,313,314},docs
-skip_missing_interpreters=True
-
-[gh-actions]
-python =
-    3.10: py310
-    3.11: py311
-    3.12: py312
-    3.13: py313
-    3.14: py314
-    pypy-3: pypy3
-
 [testenv]
 commands=
     pip install -e .