Update essbase-prerequisites to clarify current version support

[birschick-bq]

Expands the included supported Essbase versions, based on current testing.

[prmerger-automator]

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

[prmerger-automator]

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

[learn-build-service-prod]

Learn Build status updates of commit f85c382:

✅ Validation status: passed

File	Status	Preview URL	Details
powerquery-docs/connectors/includes/essbase/essbase-prerequisites.md	✅Succeeded

For more details, please refer to the build report.

[v-dirichards]

@whhender

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

[RESET-USER]

This is the result of IcM https://portal.microsofticm.com/imp/v5/incidents/details/51000001097979

[RESET-USER]

#sign-off

[prmerger-automator]

Invalid command: '#sign-off'. Only the assigned author of one or more file in this PR can sign off. @whhender