build: fix broken serverless ci builds #353

Job	Run time
build	1m 4s
system-tests / Get parameters / Get parameters	13s
system-tests / Build end-to-end (alb)	1m 14s
system-tests / Build end-to-end (alb-multi)	1m 14s
system-tests / Build end-to-end (apigw-http)	1m 14s
system-tests / Build end-to-end (function-url)	1m 13s
system-tests / Build end-to-end (apigw-rest)	1m 15s
system-tests / parametric	0s
system-tests / End-to-end #1 / alb 1	2m 21s
system-tests / End-to-end #1 / alb-multi 1	2m 34s
system-tests / End-to-end #1 / apigw-rest 1	2m 55s
system-tests / End-to-end #1 / apigw-http 1	3m 20s
system-tests / End-to-end #1 / function-url 1	2m 37s
system-tests / Report failures	0s
	21m 14s

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