Bump lodash.mergewith from 4.6.1 to 4.6.2

Bumps [lodash.mergewith](https://github.com/lodash/lodash) from 4.6.1 to 4.6.2.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](https://github.com/lodash/lodash/commits)

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

Author: dependabot[bot]