net/ruby-train-winrm: update to 0.2.11

0.2.11 (2020-09-30)

Merged Pull Requests

* Remove redundant encoding comments #22 (tas50)
* Add winrm-shell-type option and winrm elevated shell #25 (catriona1)
* Add validation to winrm shell type option #28 (catriona1)
* Allow timeout option for WinRM commands #27 (james-stocks)
* Correct minor spelling mistakes #23 (tas50)

No release note for from 0.2.7 to 0.2.10 but these seems to various fixes.

(taca)