chore(deps): update dependency python to v3.15.1

Author: renovate[bot]

.github/workflows/publish-docs.yml

@@ -34,7 +34,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7
         with:
-          python-version: '3.14.7'
+          python-version: '3.15.1'
 
       # Shared with verify.yaml's docs-verify job, so the build that gated the pull request is
       # the same one that publishes here.

.github/workflows/verify.yaml

@@ -32,7 +32,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7
         with:
-          python-version: '3.14.7'
+          python-version: '3.15.1'
 
       - name: Install MkDocs and dependencies
         run: pip install -r docs-requirements.txt