Bump redcarpet from 3.4.0 to 3.5.1 (#97)

Bumps [redcarpet](https://github.com/vmg/redcarpet) from 3.4.0 to 3.5.1.
- [Release notes](https://github.com/vmg/redcarpet/releases)
- [Changelog](https://github.com/vmg/redcarpet/blob/master/CHANGELOG.md)
- [Commits](https://github.com/vmg/redcarpet/compare/v3.4.0...v3.5.1)

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

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

Gemfile

@@ -7,7 +7,7 @@ group :development, :test do
   gem 'jekyll', '~> 3.9.0'
   gem 'jekyll-redirect-from', '~> 0.13.0'
   gem 'jekyll-sitemap', '~> 1.2.0'
-  gem 'redcarpet', '~> 3.4.0'
+  gem 'redcarpet', '~> 3.5.1'
   gem 'kramdown', '~> 2.3.0'
   gem 'kramdown-parser-gfm', '~> 1.1.0'
   gem 'nokogiri', '~> 1.11.0.rc4'

Gemfile.lock

@@ -59,7 +59,7 @@ GEM
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    redcarpet (3.4.0)
+    redcarpet (3.5.1)
     rexml (3.2.4)
     rouge (3.21.0)
     safe_yaml (1.0.5)
@@ -80,7 +80,7 @@ DEPENDENCIES
   kramdown (~> 2.3.0)
   kramdown-parser-gfm (~> 1.1.0)
   nokogiri (~> 1.11.0.rc4)
-  redcarpet (~> 3.4.0)
+  redcarpet (~> 3.5.1)
 
 BUNDLED WITH
    1.17.3