[instructions] Sync github-agentic-workflows.md with v0.32.0 release

[github-actions]

Instructions Update - Synchronized with v0.32.0

This PR updates the github-agentic-workflows.md file based on documentation changes since the v0.32.0 release (2025-12-08).

Changes Made

• Added labels: field to Agentic Workflow Specific Fields section

  • Documents optional array of strings for categorizing workflows
  • Includes usage examples and CLI filtering with gh aw status --label

• Added minimize-comment: safe output to safe-outputs section

  • Documents new safe output for hiding/minimizing comments on issues/PRs/discussions
  • Notes requirement for GraphQL node IDs and SPAM classification

• Added assign-to-user: safe output to safe-outputs section

  • Documents new safe output for assigning users to issues
  • Includes configuration options for allowed users, max, target, and cross-repository support

Documentation Commits Reviewed

• fff19e7 Update documentation for features from December 8-9, 2025 ([docs] Update documentation for features from December 8-9, 2025 #5925)

Validation

• Followed prompting best practices (imperative mood, minimal examples)
• Maintained technical tone and brevity
• Updated only necessary sections
• Verified accuracy against current codebase
• Removed outdated or redundant content (none found)
• Used concrete YAML syntax examples
• Kept changes surgical and minimal

AI generated by Instructions Janitor