build(deps): bump lwc from 5.1.0 to 6.2.1 (#497)

Bumps [lwc](https://github.com/salesforce/lwc/tree/HEAD/packages/lwc) from 5.1.0 to 6.2.1.
- [Release notes](https://github.com/salesforce/lwc/releases)
- [Commits](https://github.com/salesforce/lwc/commits/v6.2.1/packages/lwc)

---
updated-dependencies:
- dependency-name: lwc
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>