Bump handlebars from 4.1.2 to 4.2.0 in /build

Bumps [handlebars](https://github.com/wycats/handlebars.js) from 4.1.2 to 4.2.0.
- [Release notes](https://github.com/wycats/handlebars.js/releases)
- [Changelog](https://github.com/wycats/handlebars.js/blob/master/release-notes.md)
- [Commits](https://github.com/wycats/handlebars.js/compare/v4.1.2...v4.2.0)

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

build/package-lock.json

@@ -2079,9 +2079,9 @@
       "dev": true
     },
     "handlebars": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.1.2.tgz",
-      "integrity": "sha512-nvfrjqvt9xQ8Z/w0ijewdD/vvWDTOweBUm96NTr66Wfvo1mJenBLwcYmPs3TIBP5ruzYGD7Hx/DaM9RmhroGPw==",
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.2.0.tgz",
+      "integrity": "sha512-Kb4xn5Qh1cxAKvQnzNWZ512DhABzyFNmsaJf3OAkWNa4NkaqWcNI8Tao8Tasi0/F4JD9oyG0YxuFyvyR57d+Gw==",
       "dev": true,
       "requires": {
         "neo-async": "^2.6.0",
@@ -3213,9 +3213,9 @@
       "dev": true
     },
     "neo-async": {
-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.0.tgz",
-      "integrity": "sha512-MFh0d/Wa7vkKO3Y3LlacqAEeHK0mckVqzDieUKTT+KGxi+zIpeVsFxymkIiRpbpDziHc290Xr9A1O4Om7otoRA==",
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.1.tgz",
+      "integrity": "sha512-iyam8fBuCUpWeKPGpaNMetEocMt364qkCsfL9JuhjXX6dRnguRVOfk2GZaDpPjcOKiiXCPINZC1GczQ7iTq3Zw==",
       "dev": true
     },
     "nise": {
@@ -4633,9 +4633,9 @@
       "dev": true
     },
     "uglify-js": {
-      "version": "3.5.4",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.5.4.tgz",
-      "integrity": "sha512-GpKo28q/7Bm5BcX9vOu4S46FwisbPbAmkkqPnGIpKvKTM96I85N6XHQV+k4I6FA2wxgLhcsSyHoNhzucwCflvA==",
+      "version": "3.6.0",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.6.0.tgz",
+      "integrity": "sha512-W+jrUHJr3DXKhrsS7NUVxn3zqMOFn0hL/Ei6v0anCIMoKC93TjcflTagwIHLW7SfMFfiQuktQyFVCFHGUE0+yg==",
       "dev": true,
       "optional": true,
       "requires": {

build/package.json

@@ -11,7 +11,7 @@
   "contributors": [],
   "dependencies": {},
   "devDependencies": {
-    "handlebars": "^4.1.2",
+    "handlebars": "^4.2.0",
     "jasmine-core": "~2.5.2",
     "jasmine-sinon": "^0.4.0",
     "jsdoc": "^3.6.3",