ci: skip unnecessary dependency install for lint job (#527)

Ruff only needs source files, not runtime dependencies.
--no-install-project skips installing the project and its extras.

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: paddymul

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
         with:
           enable-cache: true
       - name: Install the project
-        run: uv sync --locked --all-extras --dev
+        run: uv sync --locked --dev --no-install-project
       - name: Run ruff
         run: uv run ruff check