updated grpc config to use DialContext #24415

Job	Run time
setup-environment	10s
govulncheck	37s
lint	4m 6s
test-coverage	6m 13s
unittest-matrix (ubuntu-latest, ~1.23)	2m 25s
checks	2m 5s
unittest-matrix (ubuntu-latest, ~1.22)	2m 18s
cross-build-collector (darwin, amd64)	43s
cross-build-collector (darwin, arm64)	44s
cross-build-collector (linux, 386)	39s
cross-build-collector (linux, amd64)	41s
cross-build-collector (linux, arm64)	47s
cross-build-collector (linux, ppc64le)	40s
cross-build-collector (linux, arm, 7)	44s
cross-build-collector (linux, s390x)	43s
cross-build-collector (windows, 386)	50s
cross-build-collector (windows, amd64)	46s
unittest	1s
	25m 12s

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