Bump handlebars from 4.1.0 to 4.7.7

Bumps [handlebars](https://github.com/wycats/handlebars.js) from 4.1.0 to 4.7.7.
- [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/v4.1.0...v4.7.7)

---
updated-dependencies:
- dependency-name: handlebars
  dependency-type: indirect
...

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

package-lock.json

@@ -22193,9 +22193,9 @@
           "dev": true
         },
         "uglify-js": {
-          "version": "3.14.3",
-          "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.14.3.tgz",
-          "integrity": "sha512-mic3aOdiq01DuSVx0TseaEzMIVqebMZ0Z3vaeDhFEh9bsc24hV1TFvN74reA2vs08D0ZWfNjAcJ3UbVLaBss+g==",
+          "version": "3.15.3",
+          "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.15.3.tgz",
+          "integrity": "sha512-6iCVm2omGJbsu3JWac+p6kUiOpg3wFO2f8lIXjfEb8RrmLjzog1wTPMmwKB7swfzzqxj9YM+sGUM++u1qN4qJg==",
           "dev": true,
           "optional": true
         },
@@ -36332,7 +36332,6 @@
           "version": "2.6.2",
           "resolved": false,
           "integrity": "sha512-H1qVYh1MYhEEFLsP97cVKqCGo7KfCyTt6uEWqsTBr9SO84oK9Uwbyd/yCW+6rKJLHksBNUVWZDAjfS+Ccx0Bbg==",
-          "dev": true,
           "requires": {
             "lodash": "^4.17.11"
           }
@@ -36392,7 +36391,6 @@
           "version": "2.17.1",
           "resolved": "https://registry.npmjs.org/commander/-/commander-2.17.1.tgz",
           "integrity": "sha512-wPMUt6FnH2yzG95SA6mzjQOEKUU3aLaDEmzs1ti+1E9h+CsrZghRlqEM/EJ4KscsQVG8uNN4uVreUeT8+drlgg==",
-          "dev": true,
           "optional": true
         },
         "commondir": {
@@ -36575,26 +36573,6 @@
           "integrity": "sha512-6uHUhOPEBgQ24HM+r6b/QwWfZq+yiFcipKFrOFiBEnWdy5sdzYoi+pJeQaPI5qOLRFqWmAXUPQNsielzdLoecA==",
           "dev": true
         },
-        "handlebars": {
-          "version": "4.1.0",
-          "resolved": false,
-          "integrity": "sha512-l2jRuU1NAWK6AW5qqcTATWQJvNPEwkM7NEKSiv/gqOsoSQbVoWyqVEY5GS+XPQ88zLNmqASRpzfdm8d79hJS+w==",
-          "dev": true,
-          "requires": {
-            "async": "^2.5.0",
-            "optimist": "^0.6.1",
-            "source-map": "^0.6.1",
-            "uglify-js": "^3.1.4"
-          },
-          "dependencies": {
-            "source-map": {
-              "version": "0.6.1",
-              "resolved": false,
-              "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-              "dev": true
-            }
-          }
-        },
         "has-flag": {
           "version": "3.0.0",
           "resolved": false,
@@ -36881,8 +36859,7 @@
         "minimist": {
           "version": "0.0.10",
           "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
-          "integrity": "sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8=",
-          "dev": true
+          "integrity": "sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8="
         },
         "mkdirp": {
           "version": "0.5.1",
@@ -36953,7 +36930,6 @@
           "version": "0.6.1",
           "resolved": false,
           "integrity": "sha1-2j6nRob6IaGaERwybpDrFaAZZoY=",
-          "dev": true,
           "requires": {
             "minimist": "~0.0.1",
             "wordwrap": "~0.0.2"
@@ -37302,8 +37278,6 @@
           "version": "3.4.9",
           "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.4.9.tgz",
           "integrity": "sha512-8CJsbKOtEbnJsTyv6LE6m6ZKniqMiFWmm9sRbopbkGs3gMPPfd3Fh8iIA4Ykv5MgaTbqHr4BaoGLJLZNhsrW1Q==",
-          "dev": true,
-          "optional": true,
           "requires": {
             "commander": "~2.17.1",
             "source-map": "~0.6.1"
@@ -37313,7 +37287,6 @@
               "version": "0.6.1",
               "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
               "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-              "dev": true,
               "optional": true
             }
           }
@@ -37352,8 +37325,7 @@
         "wordwrap": {
           "version": "0.0.3",
           "resolved": false,
-          "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc=",
-          "dev": true
+          "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc="
         },
         "wrap-ansi": {
           "version": "2.1.0",