ci: Test against Python 3.14

Author: seifertm

.github/workflows/main.yml

@@ -62,16 +62,11 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu, windows]
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13', 3.14-dev]
 
     steps:
     - uses: actions/checkout@v4
     - uses: actions/setup-python@v5
-      if: "!endsWith(matrix.python-version, '-dev')"
-      with:
-        python-version: ${{ matrix.python-version }}
-    - uses: deadsnakes/action@v3.2.0
-      if: endsWith(matrix.python-version, '-dev')
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies

changelog.d/1025.added.rst

@@ -1 +1 @@
-Support for Python 3.14
+Prelimiary support for Python 3.14

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 minversion = 4.9.0
-envlist = py39, py310, py311, py312, py313, pytest-min, docs
+envlist = py39, py310, py311, py312, py313, py314, pytest-min, docs
 isolated_build = true
 passenv =
     CI
@@ -76,4 +76,5 @@ python =
     3.11: py311
     3.12: py312
     3.13: py313
+    3.14-dev: py314
     pypy3: pypy3