Bump underscore from 1.10.2 to 1.12.1 in /frontend

Bumps [underscore](https://github.com/jashkenas/underscore) from 1.10.2 to 1.12.1.
- [Release notes](https://github.com/jashkenas/underscore/releases)
- [Commits](jashkenas/underscore@1.10.2...1.12.1)

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

Author: dependabot[bot]

frontend/package.json

@@ -34,7 +34,7 @@
     "sass-loader": "^8.0.2",
     "style-loader": "^1.1.3",
     "tabler-ui": "git+https://github.com/tabler/tabler.git#00f78ad823311bc3ad974ac3e5b0126198f0a813",
-    "underscore": "^1.10.2",
+    "underscore": "^1.12.1",
     "webpack": "^4.42.1",
     "webpack-cli": "^3.3.11",
     "webpack-visualizer-plugin": "^0.1.11"

frontend/yarn.lock

@@ -6594,10 +6594,10 @@ undefsafe@^2.0.2:
   dependencies:
     debug "^2.2.0"
 
-underscore@>=1.8.3, underscore@^1.10.2:
-  version "1.10.2"
-  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.10.2.tgz#73d6aa3668f3188e4adb0f1943bd12cfd7efaaaf"
-  integrity sha512-N4P+Q/BuyuEKFJ43B9gYuOj4TQUHXX+j2FqguVOpjkssLUUrnJofCcBccJSCoeturDoZU6GorDTHSvUDlSQbTg==
+underscore@>=1.8.3, underscore@^1.12.1:
+  version "1.12.1"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.12.1.tgz#7bb8cc9b3d397e201cf8553336d262544ead829e"
+  integrity sha512-hEQt0+ZLDVUMhebKxL4x1BTtDY7bavVofhZ9KZ4aI26X9SRaE+Y3m83XUL1UP2jn8ynjndwCCpEHdUG+9pP1Tw==
 
 union-value@^1.0.0:
   version "1.0.1"