Merge pull request #8489 from reitermarkus/document-repology

Document `Repology`.

Library/Homebrew/.rubocop_todo.yml

@@ -27,5 +27,4 @@ Style/Documentation:
     - 'utils/shell.rb'
     - 'utils/spdx.rb'
     - 'utils/livecheck_formula.rb'
-    - 'utils/repology.rb'
     - 'version.rb'

Library/Homebrew/utils/repology.rb

@@ -2,10 +2,14 @@
 
 require "utils/curl"
 
+# Repology API client.
+#
+# @api private
 module Repology
   module_function
 
   MAX_PAGINATION = 15
+  private_constant :MAX_PAGINATION
 
   def query_api(last_package_in_response = "")
     last_package_in_response += "/" if last_package_in_response.present?