Bump go.uber.org/zap from 1.21.0 to 1.26.0 in /extension/healthcheckextension #1443

Job	Run time
setup-environment	7m 49s
lint	19s
check-collector-module-version	8s
checks	16s
correctness-metrics	3m 16s
integration-tests	7m 38s
unittest (1.18)	52s
correctness-traces	3m 36s
unittest (1.17)	1m 9s
build-examples	1m 23s
cross-compile	0s
build-package	0s
windows-msi	0s
publish-check	0s
publish-stable	0s
publish-dev	0s
	26m 26s

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