Fix lambda bedrock streaming#2858

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asmovian wants to merge 2 commits intoaws-samples:mainfrom

asmovian:fix-lambda-bedrock-streaming

Commits on Nov 14, 2025

Added base64 decoding to handle SigV4 requests
Julien Flack
committed
Claude v2 deprecated - updated to claude v3 haiku with updated messages structure
Julien Flack
committed