ci: T8966: exempt bots from product T-ID (invalid-task-id) gate

[andamasov]

Adds the blessed 3-condition bot exclusion to this repo's product T-ID rule so bot PRs aren't gated by the T-ID convention, per T8966. Uniform across all product repos.

🤖 Generated by robots

[coderabbitai]

Caution

Review failed

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository YAML (base), Central YAML (inherited), Organization UI (inherited)

Review profile: CHILL

Plan: Pro

Run ID: 221805be-6c26-4cd4-abd8-6aa826416402

📥 Commits

Reviewing files that changed from the base of the PR and between c0086b5 and 3b1dd10.

📒 Files selected for processing (1)

• .github/mergify.yml

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📝 Walkthrough

Summary by CodeRabbit

• Chores
  • Updated pull request automation rules to refine labeling conditions and improve PR organization.

Walkthrough

The Mergify pull request automation rule that labels PRs with invalid task IDs now excludes contributions authored by bot and service accounts ([bot]$, copilot-swe-agent, vyosbot) via updated conditions in .github/mergify.yml.

Changes

Mergify bot author filtering

Layer / File(s)	Summary
Mergify bot author exclusion conditions .github/mergify.yml	The invalid-task-id labeling rule's conditions now require author to not match \[bot\]$, copilot-swe-agent, and vyosbot, filtering automated contributions from the T-ID format validation check.

Possibly related PRs

• vyos/vyatta-bash#23: Modifies .github/mergify.yml to adjust bot/service author conditions in the same rule set, including vyosbot exclusion.
• vyos/vyatta-bash#28: Updates .github/mergify.yml Mergify configuration with changes to invalid T-ID labeling rule conditions.
• vyos/vyatta-bash#39: Refines the invalid-task-id rule in .github/mergify.yml based on T-ID title and commit message checks.

✨ Finishing Touches

✨ Simplify code

• Create PR with simplified code
• Commit simplified code in branch feat/T8966-botexcl-tid

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[github-actions]

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No issues in PR Title / Commit Title

[mergify]

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🟢 📃 Configuration Change Requirements

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Mergify configuration change

• check-success = Configuration changed