Bump golang.org/x/net from 0.11.0 to 0.17.0 in /utilities/load-test #3508

Job	Run time
Ensure there are no duplicate package imports	5m 7s
Ensure that code is gofmt-ed	35s
Ensure Go modules synchronicity	39s
Run db-migration tests	1m 56s
Ensure that code passes gosec and golint	11m 55s
Ensure that manifests are up-to-date	1m 11s
Run unit tests for Go packages	12m 48s
Check if migration schema matches with super schema.	2m 20s
Check if migrations work as expected when applied to most recent two migrations.	2m 15s
	38m 46s

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