Bump go.opentelemetry.io/otel from 1.19.0 to 1.20.0 in /config/configgrpc #792

Job	Run time
setup-environment	28s
govulncheck	2m 20s
checks	24s
test-coverage	1m 30s
lint	1m 20s
unittest-matrix (~1.21.3)	1m 20s
unittest-matrix (~1.20.10)	1m 27s
cross-build-collector (darwin, amd64)	8s
cross-build-collector (darwin, arm64)	27s
cross-build-collector (linux, 386)	22s
cross-build-collector (linux, amd64)	16s
cross-build-collector (linux, arm64)	8s
cross-build-collector (linux, ppc64le)	9s
cross-build-collector (linux, arm, 7)	10s
cross-build-collector (linux, s390x)	9s
cross-build-collector (windows, 386)	14s
cross-build-collector (windows, amd64)	17s
unittest	1s
	11m 10s

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