Actually use the CocoaPods OpenURI hotfix

lib/cocoapods/command/spec/lint.rb

@@ -91,7 +91,7 @@ module Pod
             @podspecs_paths << '.' if @podspecs_paths.empty?
             @podspecs_paths.each do |path|
               if path =~ %r{https?://}
-                require 'open-uri'
+                require 'cocoapods/open-uri'
                 output_path = podspecs_tmp_dir + File.basename(path)
                 output_path.dirname.mkpath
                 open(path) do |io|

lib/cocoapods/external_sources/podspec_source.rb

@@ -14,7 +14,7 @@ module Pod
           if podspec_path.exist?
             store_podspec(sandbox, podspec_path, is_json)
           else
-            require 'open-uri'
+            require 'cocoapods/open-uri'
             begin
               open(podspec_uri) { |io| store_podspec(sandbox, io.read, is_json) }
             rescue OpenURI::HTTPError => e

lib/cocoapods/open_uri.rb → lib/cocoapods/open-uri.rb

+# rubocop:disable Style/FileName
+
 require 'open-uri'
 
 # Allow OpenURI to follow http to https redirects.