build(deps): bump golang.org/x/net from 0.19.0 to 0.21.0 in /benchmarks/hotel-app #1012

Job	Run time
Build and push all images (geo)	4m 25s
Build and push all images (profile)	4m 40s
Build and push all images (rate)	4m 21s
Build and push all images (recommendation)	4m 21s
Build and push all images (reservation)	4m 35s
Build and push all images (user)	5m 3s
Build and push all images (search)	4m 14s
Test Docker Compose (geo)	1m 15s
Test Knative Deployment (hotel-app-geo, kn-geo.yaml)	2m 20s
Test Docker Compose (geo-tracing)	1m 18s
Test Knative Deployment (hotel-app-geo-tracing, kn-geo-tracing.yaml)	2m 2s
Test Docker Compose (profile)	1m 14s
Test Knative Deployment (hotel-app-profile, kn-profile.yaml)	2m 7s
Test Docker Compose (rate)	1m 12s
Test Knative Deployment (hotel-app-rate, kn-rate.yaml)	2m 16s
Test Docker Compose (recommendation)	1m 18s
Test Knative Deployment (hotel-app-recommendation, kn-recommendation.yaml)	2m 24s
Test Docker Compose (reservation)	1m 19s
Test Knative Deployment (hotel-app-reservation, kn-reservation.yaml)	2m 10s
Test Docker Compose (user)	1m 15s
Test Knative Deployment (hotel-app-user, kn-user.yaml)	2m 4s
Test Docker Compose (search)	1m 13s
Test Knative Deployment (hotel-app-search, kn-search.yaml)	2m 10s
Test Docker Compose (search-tracing)	1m 14s
Test Knative Deployment (hotel-app-search-tracing, kn-search-tracing.yaml)	2m 4s
	1h 2m 34s

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