Bump browserify-sign from 4.2.1 to 4.2.2 in /expose/client #897

Job	Run time
Build Keycloak / build	24s
Build nginx-fpm-base / build	26s
Build nodejs-base / build	20s
Build php-fpm-base / build	13s
Build Dashboard / build	18s
Build Databox Indexer / build	23s
Build nginx-cache-purge / build	15s
Build Matomo NGINX / build	13s
Build Matomo PHP / build	18s
Build Report API / build	15s
Build Configurator	0s
Build Expose API	0s
Build Databox Client	0s
Build Uploader Client	0s
Build Expose Client	0s
Build Databox API	0s
Build Notify API	0s
Build Uploader API	0s
Setup stack	0s
	3m 5s

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