Update dependency cucumber-compatibility-kit to v18 (#130)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

testdata/Gemfile

@@ -5,6 +5,6 @@ source "https://rubygems.org"
 git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
 
 gem "cucumber", "~> 9.2.0"
-gem "cucumber-compatibility-kit", "~> 17.0"
+gem "cucumber-compatibility-kit", "~> 18.0"
 gem "json"
 gem "rspec"