Update actions in docs workflow to match the other pipelines

Bump checkout to v7, setup-python to v6, and pin setup-uv to the same
sha (v8.3.0) as ci.yml and benchmark.yml. Bump upload-pages-artifact
and deploy-pages to v5.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Author: berendkleinhaneveld

.github/workflows/docs.yml

@@ -18,19 +18,19 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - name: Install uv
-        uses: astral-sh/setup-uv@v6
+        uses: astral-sh/setup-uv@d31148d669074a8d0a63714ba94f3201e7020bc3 # v8.3.0
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version-file: "pyproject.toml"
       - name: Install docs dependencies
         run: uv sync --only-group docs
       - name: Build docs
         run: uv run --no-sync mkdocs build
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v5
         with:
           path: site
 
@@ -43,4 +43,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@v5