fix(changesets): migration v2 -> v3

[philibea]

Summary

Upgrades the repository from Changesets v2 to v3 following the official migration guide.

Changes

• package.json: bumped @changesets/cli 2.31.1 → 3.0.1 and @changesets/changelog-github 0.7.0 → 1.0.0
• .changeset/config.json: updated $schema to @changesets/config@4.0.0. The rest of the config was already v3-compatible (access: "public", baseBranch: "main", privatePackages object form, no prettier option to migrate)
• .github/workflows/release.yml: bumped changesets/action v1.9.0 → v2.1.1 and renamed inputs:
  • commit → commit-message
  • title → pr-title
  • publish → publish-script
• pnpm-lock.yaml: regenerated

[changeset-bot]

⚠️ No Changeset found

Latest commit: 6c7069b

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[philibea]

install the right version as the latest should not work with changeset v2.

NB: The latest version use changeset cli v3.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.97%. Comparing base (865d5b4) to head (6c7069b).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6859   +/-   ##
=======================================
  Coverage   90.97%   90.97%           
=======================================
  Files         571      571           
  Lines       10515    10515           
  Branches     3787     3787           
=======================================
  Hits         9566     9566           
  Misses        949      949           

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