Merge pull request #237 from textpattern/dependabot/bundler/jekyll-seo-tag-2.9.0

Update jekyll-seo-tag requirement from 2.8.0 to 2.9.0

Author: petecooper

Gemfile

@@ -4,6 +4,6 @@ gem "jekyll", "4.4.1"
 
 group :jekyll_plugins do
   gem "jekyll-feed", "0.17.0"
-  gem "jekyll-seo-tag", "2.8.0"
+  gem "jekyll-seo-tag", "2.9.0"
   gem "jekyll-sitemap", "1.4.0"
 end