Use 3.14 in the matrix

Author: hugovk

.github/workflows/tests.yml

@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: ${{ matrix.branch == 'origin/main' && '3.14' || matrix.branch }}
+          python-version: ${{ matrix.branch }}
           allow-prereleases: true
           cache: pip
       - name: Clone docsbuild scripts