chore: update nonProxyHosts documentation

[dkwon17]

What does this PR do?

Updates documentation in the CheCluster CR for nonProxyHosts

Screenshot/screencast of this PR

What issues does this PR fix or reference?

https://issues.redhat.com/browse/CRW-7266

How to test this PR?

1. Deploy the operator:

OpenShift

./build/scripts/olm/test-catalog-from-sources.sh

on Minikube

./build/scripts/minikube-tests/test-operator-from-sources.sh

2. Check documentation and verify that the new documentation appears:

$ oc explain checlusters.org.eclipse.che.spec.components.cheServer.proxy.nonProxyHosts

PR Checklist

As the author of this Pull Request I made sure that:

• The Eclipse Contributor Agreement is valid
• Code produced is complete
• Code builds without errors
• Tests are covering the bugfix
• Development resource are up to date
• The repository devfile is up to date and works
• Sections What issues does this PR fix or reference and How to test this PR completed
• Relevant user documentation updated
• Relevant contributing documentation updated
• CI/CD changes implemented, documented and communicated

Reviewers

Reviewers, please comment how you tested the PR when approving it.

[openshift-ci]

@dkwon17: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/v14-che-behind-proxy	ee131f0	link	true	/test v14-che-behind-proxy

Full PR test history. Your PR dashboard.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository. I understand the commands that are listed here.

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: dkwon17, tolusha

The full list of commands accepted by this bot can be found here.

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