chore(deps): bump browserify-sign from 4.2.1 to 4.2.2 #1698

Job	Run time
Lint (js)	1m 25s
Lint (hbs)	1m 27s
Lint (css)	1m 27s
Tests	3m 40s
Floating Tests	4m 26s
Compatibility Tests (ember-lts-4.8)	9m 37s
Compatibility Tests (ember-lts-4.4)	7m 27s
Compatibility Tests (ember-release)	10m 9s
Compatibility Tests (ember-beta)	9m 14s
Compatibility Tests (ember-canary)	7m 10s
Compatibility Tests (embroider-safe)	7m 8s
Compatibility Tests (embroider-optimized)	7m 31s
	1h 10m 41s

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