Bump underscore from 1.11.0 to 1.12.0

Bumps [underscore](https://github.com/jashkenas/underscore) from 1.11.0 to 1.12.0.
- [Release notes](https://github.com/jashkenas/underscore/releases)
- [Commits](https://github.com/jashkenas/underscore/compare/1.11.0...1.12.0)

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

package.json

@@ -16,7 +16,7 @@
     "opensans-webkit": "^1.1.0",
     "popper.js": "^1.16.1",
     "sortablejs": "^1.12.0",
-    "underscore": "^1.10.2",
+    "underscore": "^1.12.0",
     "vis": "^4.21.0",
     "webpack-merge": "^5.4.0"
   },

yarn.lock

@@ -7519,10 +7519,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-underscore@^1.10.2:
-  version "1.11.0"
-  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.11.0.tgz#dd7c23a195db34267186044649870ff1bab5929e"
-  integrity sha512-xY96SsN3NA461qIRKZ/+qox37YXPtSBswMGfiNptr+wrt6ds4HaMw23TP612fEyGekRE6LNRiLYr/aqbHXNedw==
+underscore@^1.12.0:
+  version "1.12.0"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.12.0.tgz#4814940551fc80587cef7840d1ebb0f16453be97"
+  integrity sha512-21rQzss/XPMjolTiIezSu3JAjgagXKROtNrYFEOWK109qY1Uv2tVjPTZ1ci2HgvQDA16gHYSthQIJfB+XId/rQ==
 
 unicode-canonical-property-names-ecmascript@^1.0.4:
   version "1.0.4"