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](broccolijs/broccoli-merge-trees@v3.0.1...v3.0.2)

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

Author: dependabot-support

yarn.lock

@@ -1961,9 +1961,9 @@ broccoli-merge-trees@^2.0.0:
     merge-trees "^1.0.1"
 
 broccoli-merge-trees@^3.0.0, broccoli-merge-trees@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/broccoli-merge-trees/-/broccoli-merge-trees-3.0.1.tgz#545dfe9f695cec43372b3ee7e63c7203713ea554"
-  integrity sha512-EFPBLbCoyCLdjJx0lxn+acWXK/GAZesXokS4OsF7HuB+WdnV76HVJPdfwp9TaXaUkrtb7eU+ymh9tY9wOGQjMQ==
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/broccoli-merge-trees/-/broccoli-merge-trees-3.0.2.tgz#f33b451994225522b5c9bcf27d59decfd8ba537d"
+  integrity sha512-ZyPAwrOdlCddduFbsMyyFzJUrvW6b04pMvDiAQZrCwghlvgowJDY+EfoXn+eR1RRA5nmGHJ+B68T63VnpRiT1A==
   dependencies:
     broccoli-plugin "^1.3.0"
     merge-trees "^2.0.0"