chore: do not use Span.set_tag_str #119

Job	Run time
build	1m 6s
system-tests / Get parameters / Get parameters	18s
system-tests / Build end-to-end (apigw-http)	1m 8s
system-tests / Build end-to-end (alb)	1m 15s
system-tests / Build end-to-end (function-url)	1m 14s
system-tests / Build end-to-end (alb-multi)	1m 14s
system-tests / Build end-to-end (apigw-rest)	1m 11s
system-tests / parametric	0s
system-tests / End-to-end #1 / function-url 1	2m 4s
system-tests / End-to-end #1 / apigw-http 1	1m 58s
system-tests / End-to-end #1 / apigw-rest 1	1m 53s
system-tests / End-to-end #1 / alb-multi 1	1m 54s
system-tests / End-to-end #1 / alb 1	1m 49s
system-tests / Report failures	-1s
	17m 3s

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