Bump google.golang.org/protobuf from 1.28.1 to 1.34.2 in /receiver/otlpreceiver #840

Job	Run time
setup-environment	38s
checks	39s
test-coverage	1m 20s
cross-build-collector (darwin, amd64)	24s
cross-build-collector (darwin, arm64)	22s
lint	1m 43s
cross-build-collector (linux, 386)	15s
unittest (1.20)	1m 22s
cross-build-collector (linux, amd64)	21s
unittest (1.19)	1m 14s
cross-build-collector (linux, arm64)	16s
cross-build-collector (linux, ppc64le)	22s
cross-build-collector (linux, arm)	15s
cross-build-collector (windows, 386)	18s
cross-build-collector (windows, amd64)	21s
	9m 50s

Provide feedback