Log Message:
www/ruby-rack-cache: update to 1.11.1

Update ruby-rack-cache to 1.11.1.

1.11.1 (2020-04-07)

 * when ignoring parts of the query, remove query in key when all
   params are ignored

1.11.0 (2020-01-06)

 * Add a proc to allow ignoring parts of the query string in the key
 CVS: ----------------------------------------------------------------------