build(deps): bump google.golang.org/grpc from 1.63.2 to 1.64.0 in /tools/invoker #1118

Job	Run time
Build and push all images (geo)	4m 12s
Build and push all images (profile)	4m 35s
Build and push all images (rate)	4m 23s
Build and push all images (recommendation)	4m 10s
Build and push all images (reservation)	4m 25s
Build and push all images (user)	5m 12s
Build and push all images (search)	4m 11s
Test Docker Compose (geo)	1m 14s
Test Docker Compose (geo-tracing)	1m 17s
Test Knative Deployment (hotel-app-geo, kn-geo.yaml)	2m 0s
Test Knative Deployment (hotel-app-geo-tracing, kn-geo-tracing.yaml)	2m 1s
Test Docker Compose (profile)	1m 20s
Test Knative Deployment (hotel-app-profile, kn-profile.yaml)	2m 4s
Test Docker Compose (rate)	1m 12s
Test Knative Deployment (hotel-app-rate, kn-rate.yaml)	2m 11s
Test Docker Compose (recommendation)	1m 14s
Test Knative Deployment (hotel-app-recommendation, kn-recommendation.yaml)	2m 1s
Test Docker Compose (reservation)	1m 19s
Test Knative Deployment (hotel-app-reservation, kn-reservation.yaml)	2m 6s
Test Docker Compose (user)	1m 13s
Test Knative Deployment (hotel-app-user, kn-user.yaml)	2m 17s
Test Docker Compose (search)	1m 13s
Test Knative Deployment (hotel-app-search, kn-search.yaml)	2m 10s
Test Docker Compose (search-tracing)	1m 15s
Test Knative Deployment (hotel-app-search-tracing, kn-search-tracing.yaml)	2m 31s
	1h 1m 46s

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