Bump go.uber.org/zap from 1.21.0 to 1.26.0 in /receiver/zookeeperreceiver #1300

Job	Run time
setup-environment	12m 1s
lint	1m 45s
check-collector-module-version	7s
correctness-traces	4m 21s
checks	1m 15s
integration-tests	7m 20s
correctness-metrics	3m 6s
unittest (1.18)	1m 24s
build-examples	1m 13s
unittest (1.17)	1m 44s
cross-compile	0s
windows-msi	0s
build-package	0s
publish-check	0s
publish-dev	0s
publish-stable	0s
	34m 16s

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