Bump google.golang.org/grpc from 1.64.0 to 1.64.1 in /cmd/telemetrygen #15609

Job	Run time
govulncheck (receiver-0)	1m 56s
govulncheck (receiver-1)	2m 2s
govulncheck (receiver-2)	2m 22s
govulncheck (receiver-3)	1m 52s
govulncheck (processor-0)	2m 34s
govulncheck (processor-1)	2m 7s
govulncheck (exporter-0)	2m 5s
govulncheck (exporter-1)	2m 29s
govulncheck (exporter-2)	1m 50s
govulncheck (exporter-3)	1m 47s
govulncheck (extension)	1m 59s
govulncheck (connector)	1m 53s
govulncheck (internal)	1m 50s
govulncheck (pkg)	2m 22s
govulncheck (cmd-0)	35m 0s
setup-environment	0s
govulncheck (cmd-1)	2m 37s
build-examples	0s
check-codeowners	0s
check-collector-module-version	0s
correctness-metrics	0s
checks	0s
correctness-traces	0s
cross-compile	0s
integration-tests-matrix	0s
lint-matrix	0s
unittest-matrix	0s
build-package	0s
integration-tests	0s
lint	0s
unittest	0s
coverage	0s
publish-dev	0s
publish-check	0s
publish-stable	0s
rotate-milestone	0s
	1h 6m 45s

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