Bump go.uber.org/zap from 1.25.0 to 1.26.0 in /extension/httpforwarder #6377

Job	Run time
govulncheck (receiver-0)	4m 16s
setup-environment	0s
govulncheck (receiver-1)	2m 44s
govulncheck (processor)	3m 40s
govulncheck (exporter)	7m 41s
govulncheck (extension)	3m 18s
govulncheck (connector)	8m 13s
govulncheck (internal)	3m 30s
govulncheck (pkg)	4m 36s
check-codeowners	0s
check-collector-module-version	0s
checks	0s
lint-matrix	0s
correctness-metrics	0s
correctness-traces	0s
integration-tests	0s
unittest-matrix	0s
build-examples	0s
lint	0s
unittest	0s
coverage	0s
cross-compile	0s
build-package	0s
windows-msi	0s
publish-check	0s
publish-stable	0s
publish-dev	0s
rotate-milestone	0s
	37m 58s

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