Bump jekyll-seo-tag from 2.6.1 to 2.7.1 in /docs (#3098)

Bumps [jekyll-seo-tag](https://github.com/jekyll/jekyll-seo-tag) from 2.6.1 to 2.7.1.
- [Release notes](https://github.com/jekyll/jekyll-seo-tag/releases)
- [Changelog](https://github.com/jekyll/jekyll-seo-tag/blob/master/History.markdown)
- [Commits](https://github.com/jekyll/jekyll-seo-tag/compare/v2.6.1...v2.7.1)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

docs/Gemfile

@@ -2,7 +2,7 @@ source 'https://rubygems.org'
 
 group :development, :test do
   gem 'jekyll', '~> 4.1.1'
-  gem 'jekyll-seo-tag', '~> 2.6.1'
+  gem 'jekyll-seo-tag', '~> 2.7.1'
   gem 'jekyll-sitemap', '~> 1.4.0'
   gem 'wdm', '~> 0.1.1', :install_if => Gem.win_platform?
 end

docs/Gemfile.lock

@@ -4,8 +4,8 @@ GEM
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
     colorator (1.1.0)
-    concurrent-ruby (1.1.6)
-    em-websocket (0.5.1)
+    concurrent-ruby (1.1.7)
+    em-websocket (0.5.2)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
     eventmachine (1.2.7)
@@ -14,7 +14,7 @@ GEM
     ffi (1.13.1-x64-mingw32)
     forwardable-extended (2.6.0)
     http_parser.rb (0.6.0)
-    i18n (1.8.3)
+    i18n (1.8.5)
       concurrent-ruby (~> 1.0)
     jekyll (4.1.1)
       addressable (~> 2.4)
@@ -33,8 +33,8 @@ GEM
       terminal-table (~> 1.8)
     jekyll-sass-converter (2.1.0)
       sassc (> 2.0.1, < 3.0)
-    jekyll-seo-tag (2.6.1)
-      jekyll (>= 3.3, < 5.0)
+    jekyll-seo-tag (2.7.1)
+      jekyll (>= 3.8, < 5.0)
     jekyll-sitemap (1.4.0)
       jekyll (>= 3.7, < 5.0)
     jekyll-watch (2.2.1)
@@ -50,12 +50,12 @@ GEM
     mercenary (0.4.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.5)
+    public_suffix (4.0.6)
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rexml (3.2.4)
-    rouge (3.21.0)
+    rouge (3.24.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
@@ -72,7 +72,7 @@ PLATFORMS
 
 DEPENDENCIES
   jekyll (~> 4.1.1)
-  jekyll-seo-tag (~> 2.6.1)
+  jekyll-seo-tag (~> 2.7.1)
   jekyll-sitemap (~> 1.4.0)
   wdm (~> 0.1.1)