Update handlebars dep

packages/abi-gen/package.json

@@ -64,7 +64,7 @@
         "cli-format": "^3.0.9",
         "ethereum-types": "^2.1.4",
         "glob": "^7.1.2",
-        "handlebars": "^4.0.11",
+        "handlebars": "^4.1.2",
         "lodash": "^4.17.11",
         "mkdirp": "^0.5.1",
         "tmp": "^0.0.33",
@@ -80,7 +80,6 @@
         "@0x/tslint-config": "^3.0.1",
         "@0x/web3-wrapper": "^6.0.8",
         "@types/glob": "5.0.35",
-        "@types/handlebars": "^4.0.36",
         "@types/mkdirp": "^0.5.2",
         "@types/node": "*",
         "@types/tmp": "^0.0.33",

yarn.lock

@@ -1900,10 +1900,6 @@
     "@types/minimatch" "*"
     "@types/node" "*"
 
-"@types/handlebars@^4.0.36":
-  version "4.0.37"
-  resolved "https://registry.yarnpkg.com/@types/handlebars/-/handlebars-4.0.37.tgz#a3bc3eba0c0f03f753cac00841a5b21e26a02c03"
-
 "@types/handlebars@^4.0.38":
   version "4.0.39"
   resolved "https://registry.yarnpkg.com/@types/handlebars/-/handlebars-4.0.39.tgz#961fb54db68030890942e6aeffe9f93a957807bd"
@@ -8746,7 +8742,7 @@ handlebars@^4.0.1, handlebars@^4.0.11, handlebars@^4.0.2, handlebars@^4.0.3, han
   optionalDependencies:
     uglify-js "^2.6"
 
-handlebars@^4.1.0:
+handlebars@^4.1.0, 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==