Use uv for dependency resolution and installation from pyproject.toml

Signed-off-by: Matthew J. Milner <[email protected]>

.github/workflows/build.yml

@@ -19,7 +19,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
-# build the doxygen XML for breathe
+    # build the doxygen XML for breathe
     - name: Checkout openchemistry
       uses: actions/checkout@v4
       with:
@@ -38,9 +38,14 @@ jobs:
         sudo apt-get -qq update
         sudo apt-get -qq install doxygen ninja-build libeigen3-dev libglew-dev libxml2-dev qtbase5-dev qtchooser qt5-qmake qtbase5-dev-tools libqt5x11extras5-dev libqt5svg5-dev
 
+    - name: Install uv
+      uses: astral-sh/setup-uv@v2
+      with:
+        enable-cache: true
+        cache-dependency-glob: "uv.lock"
+
     - name: Install Sphinx and requirements
-      run: |
-        pip install -U breathe>=4.35.0 linkify-it-py>=2.0.3 myst-parser>=4.0.0 pydata-sphinx-theme>=0.15.4 sphinx>=8.0.2 sphinx-copybutton>=0.5.2 sphinx-design>=0.6.1 sphinxext-rediraffe>=0.2.7 sphinx-togglebutton>=0.3.2
+      run: uv pip install --system --break-system-packages -r pyproject.toml
 
     - name: Configure
       run: |