Bump katex from 0.6.1 to 0.8.0 (#13500)

Bumps [katex](https://github.com/glebm/katex-ruby) from 0.6.1 to 0.8.0.
- [Release notes](https://github.com/glebm/katex-ruby/releases)
- [Changelog](https://github.com/glebm/katex-ruby/blob/master/CHANGES.md)
- [Commits](https://github.com/glebm/katex-ruby/compare/v0.6.1...v0.8.0)

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

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

Gemfile

@@ -53,7 +53,7 @@ gem "jbuilder", "~> 2.11" # Create JSON structures via a Builder-style DSL
 gem "jquery-rails", "~> 4.4" #  A gem to automate using jQuery with Rails
 gem "jsonapi-serializer", "~> 2.2" # Serializer for Ruby objects
 gem "kaminari", "~> 1.2" # A Scope & Engine based, clean, powerful, customizable and sophisticated paginator
-gem "katex", "~> 0.6.1" # This rubygem enables you to render TeX math to HTML using KaTeX. It uses ExecJS under the hood
+gem "katex", "~> 0.8.0" # This rubygem enables you to render TeX math to HTML using KaTeX. It uses ExecJS under the hood
 gem "liquid", "~> 5.0" # A secure, non-evaling end user template engine with aesthetic markup
 gem "nokogiri", "~> 1.11" # HTML, XML, SAX, and Reader parser
 gem "octokit", "~> 4.20" # Simple wrapper for the GitHub API

Gemfile.lock

@@ -415,7 +415,7 @@ GEM
       activerecord
       kaminari-core (= 1.2.1)
     kaminari-core (1.2.1)
-    katex (0.6.1)
+    katex (0.8.0)
       execjs (~> 2.7)
     knapsack_pro (2.15.0)
       rake
@@ -917,7 +917,7 @@ DEPENDENCIES
   jquery-rails (~> 4.4)
   jsonapi-serializer (~> 2.2)
   kaminari (~> 1.2)
-  katex (~> 0.6.1)
+  katex (~> 0.8.0)
   knapsack_pro (~> 2.15.0)
   launchy (~> 2.5)
   liquid (~> 5.0)