build(deps-dev): bump gulp-zip from 5.1.0 to 6.1.0 #6200

Job	Run time
Test	2m 18s
Build extensions	1m 19s
ember-try (ember-lts-3.16)	33s
ember-try (ember-lts-3.20)	39s
ember-try (ember-lts-3.24)	38s
ember-try (ember-lts-3.28)	1m 12s
ember-try (ember-lts-4.8)	1m 15s
ember-try (ember-lts-4.12)	1m 13s
ember-try (ember-lts-5.4)	1m 10s
ember-try (ember-release)	1m 16s
ember-try (ember-beta)	1m 22s
ember-try (ember-canary)	1m 24s
ember-try (ember-default-no-prototype-extensions)	1m 12s
Publish Firefox extension	0s
Publish bookmarklet	0s
Publish Chrome extension	0s
Publish npm package	0s
	15m 31s

Provide feedback