Merge pull request #10050 from BitGo/zahinmohammad/wal-2216-fix-iyarc-prune-amazon-bedrock-model-selection

fix(root): use Sonnet 5.5 for iyarc-prune (WAL-2216)

Author: zahin-mohammad

.github/workflows/iyarc-prune.yml

@@ -79,7 +79,7 @@ jobs:
           use_bedrock: 'true'
           github_token: ${{ secrets.GITHUB_TOKEN }}
         env:
-          ANTHROPIC_MODEL: arn:aws:bedrock:us-west-2:168000258654:inference-profile/us.anthropic.claude-sonnet-4-20250514-v1:0
+          ANTHROPIC_MODEL: arn:aws:bedrock:us-west-2:168000258654:inference-profile/us.anthropic.claude-sonnet-5-5
           # Bedrock: replaying a tool-call turn requires a leading thinking block; disable to avoid 400.
           MAX_THINKING_TOKENS: '0'
           AWS_REGION: us-west-2