Returns whether +self+ ends with any of the given +strings+.

Returns +true+ if any given string matches the end, +false+ otherwise:

  'hello'.end_with?('ello')               #=> true
  'hello'.end_with?('heaven', 'ello')     #=> true
  'hello'.end_with?('heaven', 'paradise') #=> false
  'тест'.end_with?('т')                   # => true
  'こんにちは'.end_with?('は')              # => true

Related: String#start_with?.
