Add python 3.14 to GH action with building docs

Author: antonwolfy

.github/workflows/build-docs.yml

@@ -35,7 +35,7 @@ jobs:
         if: ${{ !github.event.pull_request || github.event.action != 'closed' }}
         uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
         with:
-          python-version: "3.13"
+          python-version: "3.14"
           architecture: x64
       - name: Install sphinx dependencies
         if: ${{ !github.event.pull_request || github.event.action != 'closed' }}