fix working dir so setup can find .ruby-version

.github/workflows/jekyll.yml

@@ -39,6 +39,7 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           # ruby-version: '3.1' # Not needed with a .ruby-version file
+          working-directory: docs
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically
           cache-version: 0 # Increment this number if you need to re-download cached gems
       - name: Setup Pages
@@ -62,7 +63,7 @@ jobs:
   deploy:
     # only deploy when it's merged into the main branch
     if: github.event_name == 'push' && github.ref == 'refs/heads/main'
-    
+
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}