Merge branch 'axil-new-tiers-product-suffix' into 'master'

Allow all possible permutations of tier badges

See merge request gitlab-org/gitlab!52703

lib/gitlab/utils/markdown.rb

@@ -4,7 +4,7 @@ module Gitlab
   module Utils
     module Markdown
       PUNCTUATION_REGEXP = /[^\p{Word}\- ]/u.freeze
-      PRODUCT_SUFFIX = /\s*\**\((core|starter|premium|ultimate)(\s+(only|self|sass))?\)\**/.freeze
+      PRODUCT_SUFFIX = /\s*\**\((core|starter|premium|ultimate|free|bronze|silver|gold)(\s+(only|self|sass))?\)\**/.freeze
 
       def string_to_anchor(string)
         string