feat(aws-bedrock/in.openai.gpt-5.6-terra): add new models [bot] - #2202

Bugbot Analysis Progress (4m 29s elapsed)

✅ Gathered PR context (3s)
✅ Completed bug detection (4m 25s)
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Final Result: Bugbot completed review - no issues found. 1 previously reported issue remain unresolved.

Request ID: serverGenReqId_c7139a95-305e-4756-9573-e872273dace9