Test with Python 3.14 and 3.14t (#144)

Author: hugovk

.github/workflows/test.yml

@@ -42,6 +42,8 @@ jobs:
         - "3.12"
         - "3.13"
         - "3.13t"
+        - "3.14"
+        - "3.14t"
         sphinx-version:
         - "6"
         - "7"
@@ -56,6 +58,12 @@ jobs:
         - python: "3.13"
           sphinx-version: "8"
           os: "macos-latest"
+        - python: "3.14"
+          sphinx-version: "8"
+          os: "windows-latest"
+        - python: "3.14"
+          sphinx-version: "8"
+          os: "macos-latest"
 
     steps:
     - uses: actions/checkout@v4
@@ -65,6 +73,7 @@ jobs:
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python }}
+        allow-prereleases: true
     - name: Check Python version
       run: python --version --version
     - name: Export UV_PYTHON