Merge pull request #754 from ember-learn/dependabot/npm_and_yarn/underscore-1.13.1

Bump underscore from 1.9.2 to 1.13.1

Author: amyrlam

yarn.lock

@@ -13972,9 +13972,9 @@ underscore.string@^3.2.2, underscore.string@~3.3.4:
     util-deprecate "^1.0.2"
 
 underscore@>=1.8.3:
-  version "1.9.2"
-  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.9.2.tgz#0c8d6f536d6f378a5af264a72f7bec50feb7cf2f"
-  integrity sha512-D39qtimx0c1fI3ya1Lnhk3E9nONswSKhnffBI0gME9C99fYOkNi04xs8K6pePLhvl1frbDemkaBQ5ikWllR2HQ==
+  version "1.13.1"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.13.1.tgz#0c1c6bd2df54b6b69f2314066d65b6cde6fcf9d1"
+  integrity sha512-hzSoAVtJF+3ZtiFX0VgfFPHEDRm7Y/QPjGyNo4TVdnDTdft3tr8hEkD25a1jC+TjTuE7tkHGKkhwCgs9dgBB2g==
 
 unicode-canonical-property-names-ecmascript@^1.0.4:
   version "1.0.4"