fix: Add CLI dependencies to readme-snippets job as well

Author: spacelord16

.github/workflows/shared.yml

@@ -76,7 +76,7 @@ jobs:
           version: 0.7.2
 
       - name: Install dependencies
-        run: uv sync --frozen --all-extras --python 3.10
+        run: uv sync --frozen --all-extras --group dev --python 3.10
 
       - name: Check README snippets are up to date
         run: uv run --frozen scripts/update_readme_snippets.py --check