chore(deps): bump ace-builds from 1.4.6 to 1.4.7 in /frontend (#894)

Bumps [ace-builds](https://github.com/ajaxorg/ace-builds) from 1.4.6 to 1.4.7.
- [Release notes](https://github.com/ajaxorg/ace-builds/releases)
- [Changelog](https://github.com/ajaxorg/ace-builds/blob/master/ChangeLog.txt)
- [Commits](https://github.com/ajaxorg/ace-builds/compare/v1.4.6...v1.4.7)

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

frontend/package-lock.json

@@ -2284,9 +2284,9 @@
       }
     },
     "ace-builds": {
-      "version": "1.4.6",
-      "resolved": "https://registry.npmjs.org/ace-builds/-/ace-builds-1.4.6.tgz",
-      "integrity": "sha512-JpuzcHQxTO6Nk8Q1Y8fVQAaxpimziAvVe/CX4h39ig0iHTtBNuySOGHUxmno8mNe4IMbjO8RJICmsrQKTdTWpQ=="
+      "version": "1.4.7",
+      "resolved": "https://registry.npmjs.org/ace-builds/-/ace-builds-1.4.7.tgz",
+      "integrity": "sha512-gwQGVFewBopRLho08BfahyvRa9FlB43JUig5ItAKTYc9kJJsbA9QNz75p28QtQomoPQ9rJx82ymL21x4ZSZmdg=="
     },
     "acorn": {
       "version": "5.7.3",

frontend/package.json

@@ -9,7 +9,7 @@
     "lint": "vue-cli-service lint --fix"
   },
   "dependencies": {
-    "ace-builds": "^1.4.6",
+    "ace-builds": "^1.4.7",
     "clipboard": "^2.0.4",
     "js-base64": "^2.5.1",
     "lodash.clonedeep": "^4.5.0",