ci: fix broken dd-trace-py wheel downloading #333

Job	Run time
build	1m 0s
system-tests / Get parameters / Get parameters	13s
system-tests / Build end-to-end (function-url)	1m 9s
system-tests / Build end-to-end (apigw-rest)	1m 9s
system-tests / Build end-to-end (apigw-http)	1m 8s
system-tests / Build end-to-end (alb-multi)	1m 4s
system-tests / Build end-to-end (alb)	1m 10s
system-tests / parametric	-1s
system-tests / End-to-end #1 / apigw-http 1	2m 22s
system-tests / End-to-end #1 / alb 1	1m 49s
system-tests / End-to-end #1 / function-url 1	2m 2s
system-tests / End-to-end #1 / apigw-rest 1	2m 14s
system-tests / End-to-end #1 / alb-multi 1	1m 54s
system-tests / Report failures	0s
	17m 13s

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