[Security] Bump merge from 1.2.0 to 1.2.1 (#6583)
Bumps [merge](https://github.com/yeikos/js.merge) from 1.2.0 to 1.2.1. **This update includes a security fix.**
- [Release notes](https://github.com/yeikos/js.merge/releases)
- [Commits](https://github.com/yeikos/js.merge/compare/v1.2.0...v1.2.1)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>