Update Matrix feature to beta everywhere

[anthonee619]

Changes

Updated the Matrix feature to consistently show it as a Beta Feature

Submitter Checklist

As the author of this PR, please check off the items in this checklist:

• Has Docs if any changes are user facing, including updates to minimum requirements e.g. Kubernetes version bumps
• Has Tests included if any functionality added or changed
• pre-commit Passed
• Follows the commit message standard
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• Has a kind label. You can add one by adding a comment on this PR that contains /kind <type>. Valid types are bug, cleanup, design, documentation, feature, flake, misc, question, tep
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• Release notes contains the string "action required" if the change requires additional action from users switching to the new release

Release Notes

NONE

[linux-foundation-easycla]

• ❌ - login: @anthonee619 / name: Roland A. Fernando . The commit (5032c5a) is not authorized under a signed CLA. Please click here to be authorized. For further assistance with EasyCLA, please submit a support request ticket.

[tekton-robot]

Hi @anthonee619. Thanks for your PR.

I'm waiting for a tektoncd member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[anthonee619]

/kind documentation

[afrittoli]

/ok-to-test

[afrittoli]

Thank you!
/approve

[tekton-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: afrittoli

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[afrittoli]

@anthonee619 - thank you for your contribution! Could you sign the CLA? See the link next to the failed "EasyCLA" check