Update URLs for TrendMiner SAML configuration

[kgooris]

Hi, I'm a working Employee from TrendMiner, we want to update the urls as you can see in the pull request.
In case of issue or problems with this request, please reachout.

[prmerger-automator]

@kgooris : 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 f7e687e:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/identity/saas-apps/trendminer-tutorial.md	✅Succeeded

For more details, please refer to the build report.

[v-dirichards]

@nguhiu

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

[Copilot]

Pull Request Overview

This PR updates the TrendMiner SAML configuration URLs in the tutorial documentation to reflect a change in the URL structure. The domain has been updated from trendminer.cloud to trendminer.io, and a <TENANT> placeholder has been added to the URL pattern.

Key changes:

• Updated URL domain from .cloud to .io
• Added <TENANT> subdomain placeholder to URL patterns
• Applied changes to Identifier, Reply URL, and Sign-on URL examples

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