Fix docs build

.github/workflows/build.yml

@@ -88,6 +88,8 @@ jobs:
         uses: astral-sh/setup-uv@v5
         with:
           python-version: "3.10"
+      - name: Install pandoc
+        run: sudo apt-get install -y pandoc
       - name: Install dependencies and package
         run: uv sync --all-extras --group docs
       - name: Build Sphinx docs and run doctests