Bump google.golang.org/protobuf from 1.30.0 to 1.36.2 in /exporter/otlpexporter #1561

Job	Run time
setup-environment	2m 38s
checks	28s
lint	1m 13s
test-coverage	1m 15s
cross-build-collector (darwin, amd64)	18s
unittest (1.20)	1m 6s
cross-build-collector (darwin, arm64)	20s
cross-build-collector (linux, 386)	16s
unittest (1.19)	50s
cross-build-collector (linux, amd64)	18s
cross-build-collector (linux, arm64)	20s
cross-build-collector (linux, ppc64le)	20s
cross-build-collector (linux, arm)	18s
cross-build-collector (windows, 386)	18s
cross-build-collector (windows, amd64)	29s
	10m 27s

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