Add libjsonschema to tooling data

[emersion]

What kind of change does this PR introduce?

Add libjsonschema to the tooling page.

Checklist

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

• Read, understood, and followed the contributing guidelines.

[github-actions]

Hi @emersion! Thanks a lot for your contribution!

I noticed that the following required information is missing or incomplete: issue reference

Please update the PR description to include this information. You can find placeholders in the PR template for these items.

Thanks a lot!

[github-actions]

Welcome to the JSON Schema Community. Thanks a lot for creating your first pull request!! 🎉🎉 We are so excited you are here! We hope this is only the first of many! For more details check out README.md file.

[github-actions]

built with Refined Cloudflare Pages Action

⚡ Cloudflare Pages Deployment

Name	Status	Preview	Last Commit
website	✅ Ready (View Log)	Visit Preview	fe2e404

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (a061202) to head (fe2e404).
⚠️ Report is 117 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #1786   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           31        31           
  Lines          636       636           
  Branches       196       196           
=========================================
  Hits           636       636           

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[github-actions]

Hello! 👋

This pull request has been automatically marked as stale due to inactivity 😴

It will be closed in 180 days if no further activity occurs. To keep it active, please add a comment with more details.

There can be many reasons why a specific pull request has no activity. The most probable cause is a lack of time, not a lack of interest.

Let us figure out together how to push this pull request forward. Connect with us through our slack channel : https://json-schema.org/slack

Thank you for your patience ❤️

[emersion]

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