Try another way to build docs in GH-Action

Author: hongquan

.github/workflows/build.yml

@@ -61,4 +61,4 @@ jobs:
           set -x
           uv build -C build-dir=_build
           uv sync --no-editable --group docs
-          cd _build && uv run --group docs --no-editable -m sphinx -b html -W -v ../docs html
+          cd _build && ../.venv/bin/python -m sphinx -b html -W -v ../docs html

.github/workflows/install.yml

@@ -67,7 +67,7 @@ jobs:
               exit 1
           esac
 
-          python3 -m pip install --break-system-packages pytest sphinx
+          python3 -m pip install --break-system-packages pytest sphinx build
 
       - name: Install uv
         uses: astral-sh/setup-uv@v5
@@ -76,6 +76,7 @@ jobs:
         shell: bash
         run: |
           set -x
+          python3 -m build
           python3 -m pip install -I -v --break-system-packages .
           # Avoid importing the systemd module from the git repository
           cd /