Bump @linearb/gitstream-core to 2.1.261

[linearbci]

✨ PR Description

Purpose: Add conditional flag to control relevant file enrichment in AI review process based on review type configuration.

Main changes:

• Added isAgenticReview boolean flag to IPayload interface for tracking agentic review mode
• Modified AI_ReviewPR condition to skip relevant files enrichment when isAgenticReview flag is enabled
• Extracted isAgenticReview from payload alongside existing owner, repo, and pullRequestNumber fields

CHANGELOG

🔧 Improvements

• Enhanced AI review process to support different review modes with optimized file handling

Generated by LinearB AI and added by gitStream.
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[orca-security-us]

Orca Security Scan Summary

Status	Check	Issues by priority
Passed	Infrastructure as Code	0   0   0   0	View in Orca
Passed	OSS Licenses	0   0   0   0	View in Orca
Passed	SAST	0   0   0   0	View in Orca
Passed	Secrets	0   0   0   0	View in Orca
Passed	Vulnerabilities	0   0   0   0	View in Orca