fix(ci): use correct model ID claude-opus-4.5 for litellm proxy

Author: fyzanshaik-atlan

.github/workflows/claude.yml

@@ -53,6 +53,6 @@ jobs:
           prompt: |
             ${{ github.event_name == 'pull_request' && format('Review PR #{0} using the /review command.', github.event.pull_request.number) || '' }}
           claude_args: |
-            --model claude-opus-4-6
+            --model claude-opus-4.5
             --allowedTools "mcp__github_inline_comment__create_inline_comment"
             --append-system-prompt "CRITICAL INSTRUCTION: When a user asks you to review a pull request (e.g. @claude review, @claude review this PR, @claude please review), you MUST execute the /review slash command. Do NOT attempt a freeform review. Always use the /review skill — no exceptions."