Bump underscore from 1.9.1 to 1.9.2

Bumps [underscore](https://github.com/jashkenas/underscore) from 1.9.1 to 1.9.2.
- [Release notes](https://github.com/jashkenas/underscore/releases)
- [Commits](https://github.com/jashkenas/underscore/compare/1.9.1...1.9.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -14,7 +14,7 @@
     "opensans-webkit": "^1.0.1",
     "popper.js": "^1.15.0",
     "snyk": "^1.274.0",
-    "underscore": "^1.9.1",
+    "underscore": "^1.9.2",
     "vis": "^4.21.0",
     "webpack-merge": "^4.1.4"
   },

yarn.lock

@@ -8562,10 +8562,10 @@ uglify-js@^3.1.4:
     commander "~2.20.3"
     source-map "~0.6.1"
 
-underscore@^1.9.1:
-  version "1.9.1"
-  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.9.1.tgz#06dce34a0e68a7babc29b365b8e74b8925203961"
-  integrity sha512-5/4etnCkd9c8gwgowi5/om/mYO5ajCaOgdzj/oW+0eQV9WxKBDZw5+ycmKmeaTXjInS/W0BzpGLo2xR2aBwZdg==
+underscore@^1.9.2:
+  version "1.9.2"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.9.2.tgz#0c8d6f536d6f378a5af264a72f7bec50feb7cf2f"
+  integrity sha512-D39qtimx0c1fI3ya1Lnhk3E9nONswSKhnffBI0gME9C99fYOkNi04xs8K6pePLhvl1frbDemkaBQ5ikWllR2HQ==
 
 unicode-canonical-property-names-ecmascript@^1.0.4:
   version "1.0.4"