Update overview-what-is-global-secure-access.md

[michaelmsonne]

Rename product name to uppercase
Clarify license as minimum required and up (confirmed with PM from the team as MVP and CCP member)

If who is needed - ping me direct.

[prmerger-automator]

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

[learn-build-service-prod]

Learn Build status updates of commit 6260931:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/global-secure-access/overview-what-is-global-secure-access.md	✅Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[learn-build-service-prod]

Learn Build status updates of commit 3827f2b:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/global-secure-access/overview-what-is-global-secure-access.md	✅Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[Court72]

@kenwith

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