Bump handlebars from 4.7.3 to 4.7.6 in /build

Bumps [handlebars](https://github.com/wycats/handlebars.js) from 4.7.3 to 4.7.6.
- [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/v4.7.3...v4.7.6)

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

build/package-lock.json

@@ -2174,15 +2174,30 @@
       "dev": true
     },
     "handlebars": {
-      "version": "4.7.3",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.3.tgz",
-      "integrity": "sha512-SRGwSYuNfx8DwHD/6InAPzD6RgeruWLT+B8e8a7gGs8FWgHzlExpTFMEq2IA6QpAfOClpKHy6+8IqTjeBCu6Kg==",
+      "version": "4.7.6",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.6.tgz",
+      "integrity": "sha512-1f2BACcBfiwAfStCKZNrUCgqNZkGsAT7UM3kkYtXuLo0KnaVfjKOyf7PRzB6++aK9STyT1Pd2ZCPe3EGOXleXA==",
       "dev": true,
       "requires": {
+        "minimist": "^1.2.5",
         "neo-async": "^2.6.0",
-        "optimist": "^0.6.1",
         "source-map": "^0.6.1",
-        "uglify-js": "^3.1.4"
+        "uglify-js": "^3.1.4",
+        "wordwrap": "^1.0.0"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "1.2.5",
+          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
+          "dev": true
+        },
+        "wordwrap": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
+          "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
+          "dev": true
+        }
       }
     },
     "har-schema": {
@@ -4734,9 +4749,9 @@
       "dev": true
     },
     "uglify-js": {
-      "version": "3.8.0",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.8.0.tgz",
-      "integrity": "sha512-ugNSTT8ierCsDHso2jkBHXYrU8Y5/fY2ZUprfrJUiD7YpuFvV4jODLFmb3h4btQjqr5Nh4TX4XtgDfCU1WdioQ==",
+      "version": "3.8.1",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.8.1.tgz",
+      "integrity": "sha512-W7KxyzeaQmZvUFbGj4+YFshhVrMBGSg2IbcYAjGWGvx8DHvJMclbTDMpffdxFUGPBHjIytk7KJUR/KUXstUGDw==",
       "dev": true,
       "optional": true,
       "requires": {

build/package.json

@@ -11,7 +11,7 @@
   "contributors": [],
   "dependencies": {},
   "devDependencies": {
-    "handlebars": "^4.7.3",
+    "handlebars": "^4.7.6",
     "jasmine-core": "~2.5.2",
     "jasmine-sinon": "^0.4.0",
     "jsdoc": "^3.6.3",