Add linux-arm64 build target for gherkin/go
Add linux-arm64 build target for gherkin/go

Ref #1562

@aslakhellesoy shouldn't we move this code into the template default.mk,
otherwise it will get overwritten?

cucumber/cucumber,cucumber/cucumber,cucumber/cucumber,cucumber/cucumber,cucumber/cucumber,cucumber/cucumber,cucumber/cucumber,cucumber/cucumber,cucumber/cucumber,cucumber/cucumber,cucumber/cucumber,cucumber/cucumber