Bump handlebars from 4.0.12 to 4.7.3

Bumps [handlebars](https://github.com/wycats/handlebars.js) from 4.0.12 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@v4.0.12...v4.7.3)

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

Author: dependabot[bot]

yarn.lock

@@ -1518,7 +1518,7 @@ async-sema@2.1.4:
   dependencies:
     double-ended-queue "2.1.0-0"
 
-async@^2.5.0, async@^2.6.1:
+async@^2.6.1:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/async/-/async-2.6.1.tgz#b245a23ca71930044ec53fa46aa00a3e87c6a610"
   integrity sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==
@@ -2202,10 +2202,10 @@ commander@^2.12.1, commander@^2.14.1, commander@^2.18.0, commander@^2.19.0, comm
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.19.0.tgz#f6198aa84e5b83c46054b94ddedbfed5ee9ff12a"
   integrity sha512-6tvAOO+D6OENvRAh524Dh9jcfKTYDQAqvqezbCW82xj5X0pSrcpxtvRKHLG0yBY6SD7PSDrJaj+0AiOcKVd1Xg==
 
-commander@~2.17.1:
-  version "2.17.1"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
-  integrity sha512-wPMUt6FnH2yzG95SA6mzjQOEKUU3aLaDEmzs1ti+1E9h+CsrZghRlqEM/EJ4KscsQVG8uNN4uVreUeT8+drlgg==
+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==
 
 common-path-prefix@^1.0.0:
   version "1.0.0"
@@ -3539,6 +3539,63 @@ fstream@^1.0.0, fstream@^1.0.2:
     mkdirp ">=0.5 0"
     rimraf "2"
 
+"fts-core@link:packages/fts-core":
+  version "1.1.0"
+
+"fts-dev@link:packages/fts-dev":
+  version "1.3.10"
+  dependencies:
+    commander "^2.19.0"
+    fts "^1.3.0"
+    fts-http "^1.3.10"
+
+"fts-http-client@link:packages/fts-http-client":
+  version "1.3.3"
+  dependencies:
+    fts "^1.3.0"
+    fts-validator "^1.3.3"
+    isomorphic-unfetch "^3.0.0"
+
+"fts-http@link:packages/fts-http":
+  version "1.3.10"
+  dependencies:
+    accepts "^1.3.5"
+    content-type "^1.0.4"
+    cors "^2.8.5"
+    decompress-request "^1.0.0"
+    file-type "^12.4.0"
+    fts "^1.3.0"
+    fts-core "^1.1.0"
+    fts-validator "^1.3.3"
+    is-stream "^1.1.0"
+    micro "^9.3.3"
+    micro-cors "^0.1.1"
+    mime-types "^2.1.24"
+    multiparty "^4.2.1"
+    parseurl "^1.3.2"
+    qs "^6.6.0"
+    raw-body "^2.4.1"
+    resolve "^1.10.0"
+    type-is "^1.6.16"
+    urlencoded-body-parser "^3.0.0"
+
+"fts-validator@link:packages/fts-validator":
+  version "1.3.3"
+  dependencies:
+    ajv "^6.7.0"
+    clone-deep "^4.0.1"
+
+"fts@link:packages/fts":
+  version "1.3.0"
+  dependencies:
+    ajv "^6.7.0"
+    commander "^2.19.0"
+    doctrine "^3.0.0"
+    fs-extra "^7.0.1"
+    tempy "^0.2.1"
+    ts-morph "^1.3.4"
+    typescript-json-schema "^0.34.0"
+
 function-bind@^1.0.2, function-bind@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
@@ -3849,11 +3906,11 @@ graceful-fs@^4.1.11, graceful-fs@^4.1.15, graceful-fs@^4.1.2, graceful-fs@^4.1.6
   integrity sha512-6uHUhOPEBgQ24HM+r6b/QwWfZq+yiFcipKFrOFiBEnWdy5sdzYoi+pJeQaPI5qOLRFqWmAXUPQNsielzdLoecA==
 
 handlebars@^4.0.11, handlebars@^4.0.2, handlebars@^4.0.6:
-  version "4.0.12"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.12.tgz#2c15c8a96d46da5e266700518ba8cb8d919d5bc5"
-  integrity sha512-RhmTekP+FZL+XNhwS1Wf+bTTZpdLougwt5pcgA1tuz6Jcx0fpH/7z0qd71RKnZHBCxIRBHfBOnio4gViPemNzA==
+  version "4.7.3"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.7.3.tgz#8ece2797826886cf8082d1726ff21d2a022550ee"
+  integrity sha512-SRGwSYuNfx8DwHD/6InAPzD6RgeruWLT+B8e8a7gGs8FWgHzlExpTFMEq2IA6QpAfOClpKHy6+8IqTjeBCu6Kg==
   dependencies:
-    async "^2.5.0"
+    neo-async "^2.6.0"
     optimist "^0.6.1"
     source-map "^0.6.1"
   optionalDependencies:
@@ -5670,6 +5727,11 @@ negotiator@0.6.1:
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
   integrity sha1-KzJxhOiZIQEXeyhWP7XnECrNDKk=
 
+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==
+
 nice-try@^1.0.4:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/nice-try/-/nice-try-1.0.5.tgz#a3378a7696ce7d223e88fc9b764bd7ef1089e366"
@@ -7963,11 +8025,11 @@ typescript@3.2.4, typescript@3.2.x, typescript@^3.0.1:
   integrity sha512-YycBxUb49UUhdNMU5aJ7z5Ej2XGmaIBL0x34vZ82fn3hGvD+bgrMrVDpatgz2f7YxUMJxMkbWxJZeAvDxVe7Vw==
 
 uglify-js@^3.1.4:
-  version "3.4.9"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.4.9.tgz#af02f180c1207d76432e473ed24a28f4a782bae3"
-  integrity sha512-8CJsbKOtEbnJsTyv6LE6m6ZKniqMiFWmm9sRbopbkGs3gMPPfd3Fh8iIA4Ykv5MgaTbqHr4BaoGLJLZNhsrW1Q==
+  version "3.8.0"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.8.0.tgz#f3541ae97b2f048d7e7e3aa4f39fd8a1f5d7a805"
+  integrity sha512-ugNSTT8ierCsDHso2jkBHXYrU8Y5/fY2ZUprfrJUiD7YpuFvV4jODLFmb3h4btQjqr5Nh4TX4XtgDfCU1WdioQ==
   dependencies:
-    commander "~2.17.1"
+    commander "~2.20.3"
     source-map "~0.6.1"
 
 uid-number@0.0.6: