Merge pull request #1279 from swcarpentry/upgrade-ruby

update actions to use ruby 3.0

.github/workflows/build-website.yaml

@@ -23,7 +23,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '2.7'
+          ruby-version: '3.0'
 
       - name: Set up Python
         uses: actions/setup-python@v2

.github/workflows/check-pull-requests.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '2.7'
+          ruby-version: '3.0'
 
       - name: Install GitHub Pages, Bundler, and kramdown gems
         run: |

Gemfile

@@ -1,8 +1,10 @@
 source 'https://rubygems.org'
 
 group :jekyll_plugins do
-  gem 'github-pages', '206'
+  gem 'github-pages', '232'
   gem 'jekyll-redirect-from'
   gem 'jekyll-get-json', "~> 1.0.0"
-  gem 'jekyll', '3.8.7'
+  gem 'jekyll', '3.10.0'
+  gem 'jekyll-feed', '0.17.0'
+  gem 'webrick', '~> 1.8'
 end