gherkin: Add latest Perl changes to CHANGELOG.md
gherkin: Add latest Perl changes to CHANGELOG.md

cucumber/gherkin,cucumber/gherkin,cucumber/gherkin,cucumber/gherkin,cucumber/gherkin,cucumber/gherkin,cucumber/gherkin,cucumber/gherkin,cucumber/gherkin,cucumber/gherkin,cucumber/gherkin,cucumber/gherkin