Bump underscore from 1.8.3 to 1.12.1

Bumps [underscore](https://github.com/jashkenas/underscore) from 1.8.3 to 1.12.1.
- [Release notes](https://github.com/jashkenas/underscore/releases)
- [Commits](jashkenas/underscore@1.8.3...1.12.1)

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

Author: dependabot[bot]

yarn.lock

@@ -10870,8 +10870,9 @@ uglifyjs-webpack-plugin@^0.4.6:
     webpack-sources "^1.0.1"
 
 underscore@^1.8.3:
-  version "1.8.3"
-  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.8.3.tgz#4f3fb53b106e6097fcf9cb4109f2a5e9bdfa5022"
+  version "1.12.1"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.12.1.tgz#7bb8cc9b3d397e201cf8553336d262544ead829e"
+  integrity sha512-hEQt0+ZLDVUMhebKxL4x1BTtDY7bavVofhZ9KZ4aI26X9SRaE+Y3m83XUL1UP2jn8ynjndwCCpEHdUG+9pP1Tw==
 
 underscore@~1.4.4:
   version "1.4.4"