Bump handlebars from 4.4.2 to 4.7.6 (#2629)

Bumps [handlebars](https://github.com/wycats/handlebars.js) from 4.4.2 to 4.7.6.
- [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/v4.4.2...v4.7.6)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package-lock.json

@@ -1274,15 +1274,24 @@
       "dev": true
     },
     "handlebars": {
-      "version": "4.4.2",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.4.2.tgz",
-      "integrity": "sha512-cIv17+GhL8pHHnRJzGu2wwcthL5sb8uDKBHvZ2Dtu5s1YNt0ljbzKbamnc+gr69y7bzwQiBdr5+hOpRd5pnOdg==",
+      "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": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
+          "dev": true
+        }
       }
     },
     "har-schema": {
@@ -2231,30 +2240,6 @@
         "mimic-fn": "^1.0.0"
       }
     },
-    "optimist": {
-      "version": "0.6.1",
-      "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz",
-      "integrity": "sha1-2j6nRob6IaGaERwybpDrFaAZZoY=",
-      "dev": true,
-      "requires": {
-        "minimist": "~0.0.1",
-        "wordwrap": "~0.0.2"
-      },
-      "dependencies": {
-        "minimist": {
-          "version": "0.0.10",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
-          "integrity": "sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8=",
-          "dev": true
-        },
-        "wordwrap": {
-          "version": "0.0.3",
-          "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
-          "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc=",
-          "dev": true
-        }
-      }
-    },
     "optionator": {
       "version": "0.8.2",
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.2.tgz",