Bump go.uber.org/zap from 1.21.0 to 1.26.0 in /exporter/awsemfexporter #1324

Job	Run time
setup-environment	15m 46s
checks	1m 52s
check-collector-module-version	5s
correctness-metrics	4m 15s
correctness-traces	4m 47s
integration-tests	9m 0s
lint	2m 31s
unittest (1.18)	1m 46s
build-examples	1m 21s
unittest (1.17)	1m 6s
cross-compile	0s
build-package	0s
windows-msi	0s
publish-check	0s
publish-dev	0s
publish-stable	0s
	42m 29s

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