Bump handlebars from 4.0.11 to 4.7.3

Bumps [handlebars](https://github.com/wycats/handlebars.js) from 4.0.11 to 4.7.3.
- [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@v4.0.11...v4.7.3)

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

yarn.lock

@@ -1151,19 +1151,12 @@ async-limiter@~1.0.0:
   resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.1.tgz#dd379e94f0db8310b08291f9d64c3209766617fd"
   integrity sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ==
 
-async@^1.4.0, async@^1.5.2:
+async@^1.5.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
   integrity sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=
 
-async@^2.0.0, async@^2.1.2, async@^2.1.4:
-  version "2.6.0"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.6.0.tgz#61a29abb6fcc026fea77e56d1c6ec53a795951f4"
-  integrity sha512-xAfGg1/NTLBBKlHFmnd7PlmUW9KhVQIUuSrYem9xzFUZy13ScvtyGGejaae9iAVRiRq9+Cx7DPFaAAhCpyxyPw==
-  dependencies:
-    lodash "^4.14.0"
-
-async@^2.0.0-rc.1, async@^2.6.1:
+async@^2.0.0, async@^2.0.0-rc.1, async@^2.1.2, async@^2.1.4, async@^2.6.1:
   version "2.6.1"
   resolved "https://registry.npmjs.org/async/-/async-2.6.1.tgz#b245a23ca71930044ec53fa46aa00a3e87c6a610"
   integrity sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==
@@ -2175,6 +2168,11 @@ commander@~2.14.1:
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.14.1.tgz#2235123e37af8ca3c65df45b026dbd357b01b9aa"
   integrity sha512-+YR16o3rK53SmWHU3rEM3tPAh2rwb1yPcQX5irVn7mb0gXbwuCCrnkbV5+PBfETdfg1vui07nM6PCG1zndcjQw==
 
+commander@~2.20.3:
+  version "2.20.3"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
+  integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
+
 commondir@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/commondir/-/commondir-1.0.1.tgz#ddd800da0c66127393cca5950ea968a3aaf1253b"
@@ -4407,15 +4405,15 @@ handle-thing@^1.2.5:
   integrity sha1-/Xqtcmvxpf0W38KbL3pmAdJxOcQ=
 
 handlebars@^4.0.3:
-  version "4.0.11"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.11.tgz#630a35dfe0294bc281edae6ffc5d329fc7982dcc"
-  integrity sha1-Ywo13+ApS8KB7a5v/F0yn8eYLcw=
+  version "4.7.3"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.7.3.tgz#8ece2797826886cf8082d1726ff21d2a022550ee"
+  integrity sha512-SRGwSYuNfx8DwHD/6InAPzD6RgeruWLT+B8e8a7gGs8FWgHzlExpTFMEq2IA6QpAfOClpKHy6+8IqTjeBCu6Kg==
   dependencies:
-    async "^1.4.0"
+    neo-async "^2.6.0"
     optimist "^0.6.1"
-    source-map "^0.4.4"
+    source-map "^0.6.1"
   optionalDependencies:
-    uglify-js "^2.6"
+    uglify-js "^3.1.4"
 
 har-schema@^2.0.0:
   version "2.0.0"
@@ -6223,7 +6221,7 @@ lodash@^4.0.0, lodash@^4.2.0, lodash@^4.3.0:
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.5.tgz#99a92d65c0272debe8c96b6057bc8fbfa3bed511"
   integrity sha512-svL3uiZf1RwhH+cWrfZn3A4+U58wbP0tGVTLQPbjplZxZ8ROD9VLuNgsRniTlLe7OlSqR79RUehXgpBW/s0IQw==
 
-lodash@^4.11.2, lodash@^4.14.0, lodash@^4.17.3, lodash@^4.17.4:
+lodash@^4.11.2, lodash@^4.17.3, lodash@^4.17.4:
   version "4.17.10"
   resolved "https://registry.npmjs.org/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
   integrity sha512-UejweD1pDoXu+AD825lWwp4ZGtSwgnpZxb3JDViD7StjQz+Nb/6l093lx4OQ0foGWNRoc19mWy7BzL+UAK2iVg==
@@ -6726,10 +6724,10 @@ negotiator@0.6.2:
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
   integrity sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw==
 
-neo-async@^2.5.0:
-  version "2.5.1"
-  resolved "https://registry.npmjs.org/neo-async/-/neo-async-2.5.1.tgz#acb909e327b1e87ec9ef15f41b8a269512ad41ee"
-  integrity sha512-3KL3fvuRkZ7s4IFOMfztb7zJp3QaVWnBeGoJlgB38XnCRPj/0tLzzLG5IB8NYOHbJ8g8UGrgZv44GLDk6CxTxA==
+neo-async@^2.5.0, neo-async@^2.6.0:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.1.tgz#ac27ada66167fa8849a6addd837f6b189ad2081c"
+  integrity sha512-iyam8fBuCUpWeKPGpaNMetEocMt364qkCsfL9JuhjXX6dRnguRVOfk2GZaDpPjcOKiiXCPINZC1GczQ7iTq3Zw==
 
 next-tick@1:
   version "1.0.0"
@@ -9001,9 +8999,9 @@ source-map@^0.4.4:
   dependencies:
     amdefine ">=0.0.4"
 
-source-map@~0.6.1:
+source-map@^0.6.1, source-map@~0.6.1:
   version "0.6.1"
-  resolved "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
   integrity sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==
 
 sourcemapped-stacktrace@^1.1.6:
@@ -9670,7 +9668,7 @@ uglify-js@3.3.x:
     commander "~2.14.1"
     source-map "~0.6.1"
 
-uglify-js@^2.6, uglify-js@^2.8.29:
+uglify-js@^2.8.29:
   version "2.8.29"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.29.tgz#29c5733148057bb4e1f75df35b7a9cb72e6a59dd"
   integrity sha1-KcVzMUgFe7Th913zW3qcty5qWd0=
@@ -9680,6 +9678,14 @@ uglify-js@^2.6, uglify-js@^2.8.29:
   optionalDependencies:
     uglify-to-browserify "~1.0.0"
 
+uglify-js@^3.1.4:
+  version "3.7.7"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.7.7.tgz#21e52c7dccda80a53bf7cde69628a7e511aec9c9"
+  integrity sha512-FeSU+hi7ULYy6mn8PKio/tXsdSXN35lm4KgV2asx00kzrLU9Pi3oAslcJT70Jdj7PHX29gGUPOT6+lXGBbemhA==
+  dependencies:
+    commander "~2.20.3"
+    source-map "~0.6.1"
+
 uglify-to-browserify@~1.0.0:
   version "1.0.2"
   resolved "https://registry.npmjs.org/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz#6e0924d6bda6b5afe349e39a6d632850a0f882b7"