Bump go.uber.org/zap from 1.24.0 to 1.26.0 in /exporter/loggingexporter #572

Job	Run time
setup-environment	37s
checks	32s
unittest (1.20)	2m 3s
unittest (1.19)	1m 47s
lint	2m 13s
cross-build-collector (darwin, amd64)	14s
test-coverage	1m 49s
cross-build-collector (darwin, arm64)	16s
cross-build-collector (linux, 386)	13s
cross-build-collector (linux, amd64)	20s
cross-build-collector (linux, arm64)	21s
cross-build-collector (linux, ppc64le)	15s
cross-build-collector (linux, arm)	12s
cross-build-collector (windows, 386)	8s
cross-build-collector (windows, amd64)	16s
	11m 16s

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