Added screenshot showing registry keys to configure the client to pre…

[sebichondo]

…fer IPv4 over IPv6

[learn-build-service-prod]

Learn Build status updates of commit 94fda4f:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/global-secure-access/media/troubleshoot-global-secure-access-client-diagnostics-health-check/troubleshoot-health-check-ipv4-registry-key.png	✅Succeeded
docs/global-secure-access/troubleshoot-global-secure-access-client-diagnostics-health-check.md	✅Succeeded

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[v-dirichards]

@sebichondo Thank you for your contribution. Would you take a moment to sign the Contributor License Agreement (CLA)? After the CLA is signed, someone can review your pull request. Thanks!

#label:"aq-pr-triaged"
@MicrosoftDocs/public-repo-pr-review-team

[sebichondo]

@microsoft-github-policy-service agree [company="Microsoft"]

[sebichondo]

@microsoft-github-policy-service agree

[prmerger-automator]

@sebichondo : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change.

[v-dirichards]

@HULKsmashGithub

Can you review the proposed changes?

Important: When the changes are ready for publication, adding a #sign-off comment is the best way to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged"
@MicrosoftDocs/public-repo-pr-review-team

[HULKsmashGithub]

@sebichondo
Thanks for your contribution.
Please use the attached image. I've cleaned it up a bit for security compliance and cropped extraneous areas. I'll approve once you swap images.