Bump broccoli-merge-trees from 3.0.1 to 3.0.2
Bump broccoli-merge-trees from 3.0.1 to 3.0.2

Bumps [broccoli-merge-trees](https://github.com/broccolijs/broccoli-merge-trees) from 3.0.1 to 3.0.2.
- [Release notes](https://github.com/broccolijs/broccoli-merge-trees/releases)
- [Changelog](https://github.com/broccolijs/broccoli-merge-trees/blob/master/CHANGELOG.md)
- [Commits](https://github.com/broccolijs/broccoli-merge-trees/compare/v3.0.1...v3.0.2)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
kpfefferle/ember-octicons,kpfefferle/ember-cli-octicons,kpfefferle/ember-cli-octicons,kpfefferle/ember-octicons