Bump handlebars from 4.1.2 to 4.5.3

Bumps [handlebars](https://github.com/wycats/handlebars.js) from 4.1.2 to 4.5.3.
- [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@v4.1.2...v4.5.3)

Signed-off-by: dependabot[bot] <[email protected]>

yarn.lock

@@ -2301,14 +2301,18 @@ [email protected]:
  version "2.17.1"
  resolved "https://registry.yarnpkg.com/commander/-/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
 
-commander@^2.11.0, commander@^2.18.0, commander@^2.19.0, commander@~2.20.0:
+commander@^2.11.0, commander@^2.18.0, commander@^2.19.0:
  version "2.20.0"
  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.0.tgz#d58bb2b5c1ee8f87b0d340027e9e94e222c5a422"
 
 commander@~2.19.0:
  version "2.19.0"
  resolved "https://registry.yarnpkg.com/commander/-/commander-2.19.0.tgz#f6198aa84e5b83c46054b94ddedbfed5ee9ff12a"
 
+commander@~2.20.3:
+ version "2.20.3"
+ resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
+
 common-tags@^1.4.0:
  version "1.8.0"
  resolved "https://registry.yarnpkg.com/common-tags/-/common-tags-1.8.0.tgz#8e3153e542d4a39e9b10554434afaaf98956a937"
@@ -4050,8 +4054,8 @@ handle-thing@^2.0.0:
  resolved "https://registry.yarnpkg.com/handle-thing/-/handle-thing-2.0.0.tgz#0e039695ff50c93fc288557d696f3c1dc6776754"
 
 handlebars@^4.0.3:
- version "4.1.2"
- resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.1.2.tgz#b6b37c1ced0306b221e094fc7aca3ec23b131b67"
+ version "4.5.3"
+ resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.5.3.tgz#5cf75bd8714f7605713511a56be7c349becb0482"
  dependencies:
  neo-async "^2.6.0"
  optimist "^0.6.1"
@@ -5894,8 +5898,8 @@ [email protected]:
  resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
 
 neo-async@^2.5.0, neo-async@^2.6.0:
- version "2.6.0"
- resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.0.tgz#b9d15e4d71c6762908654b5183ed38b753340835"
+ version "2.6.1"
+ resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.1.tgz#ac27ada66167fa8849a6addd837f6b189ad2081c"
 
 nice-try@^1.0.4:
  version "1.0.5"
@@ -8740,10 +8744,10 @@ [email protected]:
  source-map "~0.6.1"
 
 uglify-js@^3.1.4:
- version "3.5.4"
- resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.5.4.tgz#4a64d57f590e20a898ba057f838dcdfb67a939b9"
+ version "3.7.3"
+ resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.7.3.tgz#f918fce9182f466d5140f24bb0ff35c2d32dcc6a"
  dependencies:
- commander "~2.20.0"
+ commander "~2.20.3"
  source-map "~0.6.1"
 
 unicode-canonical-property-names-ecmascript@^1.0.4: