lang/ruby-cucumber-gherkin: update to 15.0.2

Update ruby-cucumber-gherkin to 15.0.2.

15.0.0 - 2020-08-07

Changed

* Update messages to 13.0.1

14.2.0 - 2020-07-31

Changed

* Update messages to 12.4.0

14.1.0 - 2020-07-29

Changed

* Update messages to 12.3.2

14.0.2 - 2020-06-29

Fixed

* [JavaScript] Actually merge #1094 - it wasn't done in 14.0.1
* [JavaScript] Throw NoSuchLanguageException when language is unknown #1102 (#1102 [mpkorstanje])

14.0.1 - 2020-06-29

Fixed

* [JavaScript] Remove test code from exports (#1094 aslakhellesoy)

14.0.0 - 2020-06-27

Added

* [Java] Enable consumers to find our version at runtime using clazz.getPackage().getImplementationVersion() by upgrading to cucumber-parent:2.1.0 (#976 aslakhellesoy)
* [Java/Ruby/Go/Javascript] Add tests to ensure we do not delete whitespace inside a table cell (#769 [mpkorstanje] [vincent-psarga])

Changed

* Upgrade to messages 12.2.0
* [Ruby] gherkin-query: if a feature file is empty, do not update anything. (cucumber-ruby#1427 [vincent-psarga])
* [JavaScript] Change gherkinQuery API:
* getPickleIds: now takes a URI and an astNodeId to find the pickle ids instead of a line number
* getPickleStepIds: now takes an astNodeId parameter instead of a URL and a line number to locate the pickle step id
* expose parse and parseAndCompile utilities
* Fixed Estonian translation of "Rule" (#973 [ookull])
* Fixed Estonian translation of "Scenario Outline" (#972 [ookull])

Fixed

* [JavaScript] Update gherkin-languages.json, which hadn't been updated for a few versions (not sure for how long!)
* [Ruby] Fix the default constructor of Gherkin::Parser (#1074 aslakhellesoy)
* [Ruby] Use require_relative for internal requires (#1010 [deivid-rodriguez])
* [Javascript] Escape regex characters in table header (#1077 [mpkorstanje])

(taca)