Add support for Python 3.15

Author: hugovk

.github/workflows/tests.yml

@@ -12,15 +12,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.15", "3.14", "3.13", "3.12"]
-        include:
-          - python-version: "3.15"
-            branch: "main"
+        branch: ["main", "3.14", "3.13", "3.12"]
     steps:
       - uses: actions/checkout@v5
       - uses: actions/setup-python@v6
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: ${{ matrix.branch == 'main' && '3.15' || matrix.branch }}
           allow-prereleases: true
           cache: pip
       - name: Clone docsbuild scripts
@@ -41,7 +38,7 @@ jobs:
           --skip-cache-invalidation
           --theme "$(pwd)"
           --languages en
-          --branches ${{ matrix.branch || matrix.python-version }}
+          --branches ${{ matrix.branch }}
           ${{ matrix.branch == 'main' && '--select-output no-html' || '' }}
       - name: Show logs
         if: failure()
@@ -50,7 +47,7 @@ jobs:
       - name: Upload
         uses: actions/upload-artifact@v5
         with:
-          name: doc-html-${{ matrix.python-version }}
+          name: doc-html-${{ matrix.branch }}
           path: www/
 
   translations: