chore(bedrock): support Anthropic Claude Opus 4.1, gpt-oss-120b and gpt-oss-20b

[mazyu36]

Add new model.

• Anthropic’s Claude Opus 4.1 now in Amazon Bedrock
• OpenAI open weight models now available on AWS

Checklist

• My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

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

[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: d2f2295
• Result: SUCCEEDED
• Build Logs (available for 30 days)

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Pull request has been modified.

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[alvazjor]

@Mergifyio requeue

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requeue

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