Bump merge

Bumps [merge](https://github.com/yeikos/js.merge) from 1.2.1 to 2.1.1.
- [Release notes](https://github.com/yeikos/js.merge/releases)
- [Commits](swordev/merge@v1.2.1...v2.1.1)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]