[ci] Enabled issue autoassignment bots

[Eeshu-Yadav]

Checklist

• I have read the OpenWISP Contributing Guidelines.
• I have manually tested the changes proposed in this pull request.
• I have written new test cases for new code and/or updated existing tests for changes to existing code.
• I have updated the documentation.

This PR adds the GitHub Actions workflows to auto-assign issues, manage PR-issue linking, handle PR reopening reassignment, and manage stale PRs.
These workflows check out openwisp/openwisp-utils to run the bot Python scripts, ensuring uniform behavior across all repositories.
Related to the auto-assignment issue bot implementation.

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro

Run ID: c0ff7759-634f-478d-a1da-e425d585b627

📥 Commits

Reviewing files that changed from the base of the PR and between d948d5d and d87036a.

📒 Files selected for processing (4)

• .github/workflows/bot-autoassign-issue.yml
• .github/workflows/bot-autoassign-pr-issue-link.yml
• .github/workflows/bot-autoassign-pr-reopen.yml
• .github/workflows/bot-autoassign-stale-pr.yml

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[kilo-code-bot]

Code Review Summary

Status: No Issues Found | Recommendation: Merge

All 4 GitHub Actions workflow files are well-designed and follow security best practices:

• bot-autoassign-issue.yml - Handles issue assignment requests via comments
• bot-autoassign-pr-issue-link.yml - Links PRs to issues on open/close events
• bot-autoassign-pr-reopen.yml - Handles PR reopen reassignment
• bot-autoassign-stale-pr.yml - Daily cron job for stale PR management

Notable design choices:

• Workflows use a centralized reusable workflow from openwisp/openwisp-utils
• pull_request_target is used correctly (no untrusted code checkout)
• Permissions are minimally scoped per workflow's needs
• Concurrency controls prevent race conditions
• GitHub App token authentication is properly implemented

Files Reviewed (4 files)

• .github/workflows/bot-autoassign-issue.yml
• .github/workflows/bot-autoassign-pr-issue-link.yml
• .github/workflows/bot-autoassign-pr-reopen.yml
• .github/workflows/bot-autoassign-stale-pr.yml

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_{Reviewed by kimi-k2.5-0127 · 109,664 tokens}

[Copilot]

Pull request overview

This PR adds GitHub Actions workflows that delegate issue/PR auto-assignment and stale PR handling to reusable OpenWISP bot workflows from openwisp-utils.

Changes:

• Adds issue comment-based assignment automation for issues.
• Adds PR lifecycle automation for linked issue assignment and reopen reassignment.
• Adds scheduled/manual stale PR management.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
.github/workflows/bot-autoassign-issue.yml	Runs the issue assignment bot on new issue comments.
.github/workflows/bot-autoassign-pr-issue-link.yml	Runs PR-linked issue assignment handling on PR open/reopen/close events.
.github/workflows/bot-autoassign-pr-reopen.yml	Runs reassignment logic when PRs are reopened or the PR author comments.
.github/workflows/bot-autoassign-stale-pr.yml	Runs scheduled/manual stale PR management.

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