Bump golang.org/x/sys from 0.5.0 to 0.15.0 in /exporter/loggingexporter #421

Job	Run time
setup-environment	23s
test-coverage	1m 10s
unittest (1.20)	1m 20s
checks	29s
unittest (1.19)	1m 15s
cross-build-collector (darwin, amd64)	8s
lint	1m 26s
cross-build-collector (darwin, arm64)	11s
cross-build-collector (linux, 386)	9s
cross-build-collector (linux, amd64)	14s
cross-build-collector (linux, arm64)	9s
cross-build-collector (linux, ppc64le)	18s
cross-build-collector (linux, arm)	18s
cross-build-collector (windows, 386)	11s
cross-build-collector (windows, amd64)	10s
	7m 51s

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