[Security] Bump handlebars from 4.0.12 to 4.7.7

Bumps [handlebars](https://github.com/wycats/handlebars.js) from 4.0.12 to 4.7.7. **This update includes security fixes.**
- [Release notes](https://github.com/wycats/handlebars.js/releases)
- [Changelog](https://github.com/handlebars-lang/handlebars.js/blob/master/release-notes.md)
- [Commits](https://github.com/wycats/handlebars.js/compare/v4.0.12...v4.7.7)

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

package-lock.json

@@ -7533,17 +7533,30 @@
       "dev": true
     },
     "handlebars": {
-      "version": "4.0.12",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.0.12.tgz",
-      "integrity": "sha512-RhmTekP+FZL+XNhwS1Wf+bTTZpdLougwt5pcgA1tuz6Jcx0fpH/7z0qd71RKnZHBCxIRBHfBOnio4gViPemNzA==",
+      "version": "4.7.7",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.7.tgz",
+      "integrity": "sha512-aAcXm5OAfE/8IXkcZvCepKU3VzW1/39Fb5ZuqMtgI/hT8X2YgoMvBY5dLhq/cpOvw7Lk1nK/UF71aLG/ZnVYRA==",
       "dev": true,
       "requires": {
-        "async": "^2.5.0",
-        "optimist": "^0.6.1",
+        "minimist": "^1.2.5",
+        "neo-async": "^2.6.0",
         "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
+        },
+        "neo-async": {
+          "version": "2.6.2",
+          "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.2.tgz",
+          "integrity": "sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw==",
+          "dev": true
+        },
         "source-map": {
           "version": "0.6.1",
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
@@ -17175,9 +17188,9 @@
       }
     },
     "webpack-hot-middleware": {
-      "version": "2.25.0",
-      "resolved": "https://registry.npmjs.org/webpack-hot-middleware/-/webpack-hot-middleware-2.25.0.tgz",
-      "integrity": "sha512-xs5dPOrGPCzuRXNi8F6rwhawWvQQkeli5Ro48PRuQh8pYPCPmNnltP9itiUPT4xI8oW+y0m59lyyeQk54s5VgA==",
+      "version": "2.23.1",
+      "resolved": "https://registry.npmjs.org/webpack-hot-middleware/-/webpack-hot-middleware-2.23.1.tgz",
+      "integrity": "sha512-oUdCGDHONJrARtqxPSiON4db4dRWUsRiPwD7dYkglrTc3vF7LKa2jncwN0lIVkNwtoCh/yiHVTzz3Hbcux8ikA==",
       "dev": true,
       "requires": {
         "ansi-html": "0.0.7",

package.json

@@ -127,7 +127,7 @@
     "vue-template-compiler": "^2.6.10",
     "webpack": "^3.5.2",
     "webpack-dev-server": "^3.1.11",
-    "webpack-hot-middleware": "^2.25.0",
+    "webpack-hot-middleware": "^2.18.2",
     "webpack-merge": "^4.1.0"
   }
 }