Bump handlebars from 4.1.1 to 4.1.2 (#565)

Bumps [handlebars](https://github.com/wycats/handlebars.js) from 4.1.1 to 4.1.2.
- [Release notes](https://github.com/wycats/handlebars.js/releases)
- [Changelog](https://github.com/wycats/handlebars.js/blob/master/release-notes.md)
- [Commits](handlebars-lang/handlebars.js@v4.1.1...v4.1.2)

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

package.json

@@ -13,7 +13,7 @@
     "coffeescript": "1.12.7",
     "expose-loader": "^0.7.5",
     "file-saver": "^1.3.3",
-    "handlebars": "^4.0.11",
+    "handlebars": "^4.1.2",
     "highcharts": "^7.0.1",
     "highcharts-regression": "streamlinesocial/highcharts-regression",
     "jquery": "^3.3.1",

yarn.lock

@@ -2984,10 +2984,10 @@ handle-thing@^2.0.0:
   resolved "https://registry.yarnpkg.com/handle-thing/-/handle-thing-2.0.0.tgz#0e039695ff50c93fc288557d696f3c1dc6776754"
   integrity sha512-d4sze1JNC454Wdo2fkuyzCr6aHcbL6PGGuFAz0Li/NcOm1tCHGnWDRmJP85dh9IhQErTc2svWFEX5xHIOo//kQ==
 
-handlebars@^4.0.11:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.1.1.tgz#6e4e41c18ebe7719ae4d38e5aca3d32fa3dd23d3"
-  integrity sha512-3Zhi6C0euYZL5sM0Zcy7lInLXKQ+YLcF/olbN010mzGQ4XVm50JeyBnMqofHh696GrciGruC7kCcApPDJvVgwA==
+handlebars@^4.1.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.1.2.tgz#b6b37c1ced0306b221e094fc7aca3ec23b131b67"
+  integrity sha512-nvfrjqvt9xQ8Z/w0ijewdD/vvWDTOweBUm96NTr66Wfvo1mJenBLwcYmPs3TIBP5ruzYGD7Hx/DaM9RmhroGPw==
   dependencies:
     neo-async "^2.6.0"
     optimist "^0.6.1"