1.0.4 Release

[k-finken]

Increments package version to v1.0.4 and updates changelog

---

Note

Low Risk
Release bookkeeping only (version bump and changelog update) with no runtime or dependency changes in the diff.

Overview
Prepares the @mintlify/components v1.0.4 release by bumping packages/components/package.json from 1.0.3 to 1.0.4.

Updates CHANGELOG.md with a new 1.0.4 entry noting the addition of the Search component (search modal, recent searches, and keyboard navigation).

^{Written by Cursor Bugbot for commit e166064. This will update automatically on new commits. Configure here.}