Update Gemfile

Author: petecooper

Gemfile

@@ -3,7 +3,7 @@ source "https://rubygems.org"
 gem "jekyll", "4.2.1"
 
 group :jekyll_plugins do
-  gem "jekyll-feed", "0.15.1"
+  gem "jekyll-feed", "0.16.0"
   gem "jekyll-pwa-plugin", "5.1.4"
   gem "jekyll-seo-tag", "2.7.1"
   gem "jekyll-sitemap", "1.4.0"