Support for Ruby 3.0.6, replace URI::escape with CGI:escape

[tiinapennala]

In view helper URI::escape has been used, which leads to error "undefined method `escape' for URI:Module".

source = URI::escape(source)

This has been removed: ruby/uri@61c6a47
More references also here:
ruby/uri#14

The gem works with monkey patching the:

source = URI::escape(source)

with

source = CGI.escape(source)

Could there be a possibility for a fix?