Switch to pyproject for doc deps

Author: benjeffery

.github/workflows/docs-build-template.yml

@@ -3,11 +3,6 @@ name: Documentation Build Template
 on:
   workflow_call:
     inputs:
-      requirements-path:
-        description: 'Path to documentation requirements file'
-        required: false
-        type: string
-        default: 'requirements/CI-docs/requirements.txt'
       additional-setup:
         description: 'Additional setup commands to run'
         required: false
@@ -35,11 +30,22 @@ jobs:
       - uses: actions/[email protected]
         with:
           python-version: '3.11'
-          cache: 'pip'
-          cache-dependency-path: ${{ inputs.requirements-path }}
 
-      - name: Install documentation dependencies
-        run: pip install -r ${{ inputs.requirements-path }}
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
+        with:
+          version: "0.8.15"
+      
+      - name: Install doc deps
+        run: | 
+          if [ -f pyproject.toml ]; then
+            uv pip install -r pyproject.toml --extra docs
+          elif [ -f python/pyproject.toml ]; then
+            uv pip install -r python/pyproject.toml --extra docs
+          else
+            echo "No pyproject.toml found in root or python/ directory"
+            exit 1
+          fi
 
       - name: Additional setup
         if: inputs.additional-setup != ''