chore(bedrock): add TwelveLabs Marengo 2.7 and Pegasus 1.2

[phuhung273]

Issue # (if applicable)

None

Reason for this change

https://aws.amazon.com/about-aws/whats-new/2025/07/twelvelabs-models-fully-managed-amazon-bedrock/

Description of how you validated changes

$ aws bedrock list-foundation-models --region us-east-1 --query 'modelSummaries[].modelId'   --output table
--------------------------------------------------
|              ListFoundationModels              |
+--------------------------------------------------+
...
|  twelvelabs.marengo-embed-2-7-v1:0             |
+--------------------------------------------------+
$ aws bedrock list-foundation-models --region us-west-2 --query 'modelSummaries[].modelId'   --output table
----------------------------------------------------
|               ListFoundationModels               |
+--------------------------------------------------+
...
|  twelvelabs.pegasus-1-2-v1:0                     |
+--------------------------------------------------+

Checklist

• My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

---

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[phuhung273]

Thanks for your review @mazyu36

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Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

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[mergify]

This pull request has been removed from the queue for the following reason: pull request dequeued.

Pull request #35011 has been dequeued. The pull request could not be merged. This could be related to an activated branch protection or ruleset rule that prevents us from merging. (details: Required status check "build" is failing.).

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[phuhung273]

Thanks @kumsmrit for approving.

It is stuck due to the latest commit. Can see many other PRs having the same issue, eg: #35064

[mergify]

Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

[phuhung273]

@Mergifyio requeue

[mergify]

requeue

❌ Command disallowed due to command restrictions in the Mergify configuration.

• sender-permission >= write

Pull request has been modified.

[kumsmrit]

Thanks @kumsmrit for approving.

It is stuck due to the latest commit. Can see many other PRs having the same issue, eg: #35064

Thank you @phuhung273 for proactively fixing the build issue: #35066. This PR should no longer be blocked now.

[phuhung273]

Thanks team @kumsmrit @ozelalisen, let see if it actually fixed 🤣

[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: 8d88778
• Result: SUCCEEDED
• Build Logs (available for 30 days)

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