chore(workflow): replace changeset with bumpp

[chenjiahan]

Summary

Most of the time, the current monorepo only publishes a single package, and I haven't used changesets for a long time. This PR replaces changesets with the lighter bumpp to reduce dependencies.

Related Links

https://github.com/antfu-collective/bumpp

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

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[Copilot]

Pull Request Overview

This PR replaces the existing Changesets workflow with the lighter bumpp tool, adds a bump script to each package, and removes Changesets configuration and checks.

• Introduce "bump": "npx bumpp --no-tag" in all package scripts
• Remove Changesets CLI, scripts, config, and related lint checks
• Bump @rsbuild/core version to 1.3.23 and update docs/instructions

Reviewed Changes

Copilot reviewed 19 out of 19 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
packages/*/package.json	Added bump script to scripts
package.json	Removed Changesets scripts & devDependency entries
CONTRIBUTING.md	Updated release instructions to use pnpm bump
.github/workflows/lint.yml	Removed Changesets check step
.changeset/config.json (deleted)	Removed obsolete Changesets config

Comments suppressed due to low confidence (2)

package.json:13

• [nitpick] Consider adding a top-level bump script in the root package.json to orchestrate version bumps across all workspace packages, rather than running it manually in each package directory.

"build:doc": "cd website && pnpm run build",

.changeset/config.json:1

• [nitpick] After deleting config.json, consider removing the now-empty .changeset directory to keep the repository clean.

entire file (removed)