Log Message:
www/ruby-rack2: update to 2.2.6.2

2.2.6 (2022-01-17)

* Extend Rack::MethodOverride to handle QueryParser::ParamsTooDeepError
  error.  (#2011, @byroot)

2.2.6.1 (2022-01-17)

* [CVE-2022-44571] Fix ReDoS vulnerability in multipart parser
* [CVE-2022-44570] Fix ReDoS in Rack::Utils.get_byte_ranges
* [CVE-2022-44572] Forbid control characters in attributes (also ReDoS)

2.2.6.2 (2022-01-17)

* [CVE-2022-44570] Fix ReDoS in Rack::Utils.get_byte_ranges