Updated PR body validation workflow

[Utkarsh-123github]

What kind of change does this PR introduce?
This PR basically updates the previous approach of referencing issues with a new one that supports:

• All types of official GitHub-recognized keywords for issue references which includes :
  close
  closes
  closed
  fix
  fixes
  fixed
  resolve
  resolves
  resolved
• Full URLs to issues (not just the # 1234 format).

Issue Number:

• Closes Allow full Issue URLs and all GitHub recognized Issue reference keywords in PR body validation #1739

Summary
Update the PR Body Validation workflow to accept:

• Full URLs to issues (not just the # 1234 format).
• Any of the official GitHub-recognized keywords for issue references.

This would make PR validation consistent with GitHub’s own behavior and reduce friction for contributors who use the full range of supported formats.

Does this PR introduce a breaking change?
No

Checklist

Please ensure the following tasks are completed before submitting this pull request.

• Read, understood, and followed the contributing guidelines.

[github-actions]

built with Refined Cloudflare Pages Action

⚡ Cloudflare Pages Deployment

Name	Status	Preview	Last Commit
website	✅ Ready (View Log)	Visit Preview	920aee7

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (547dcf2) to head (920aee7).
Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #1741   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           18        18           
  Lines          448       448           
  Branches       116       116           
=========================================
  Hits           448       448           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[Utkarsh-123github]

Hi @Relequestual , I have made the requested changes in the PR body validation workflow. Kindly review it and suggest some changes if applicable at your convenience.
Thank You!

[benjagm]

Great work!