Bump tinymce from 5.3.0 to 5.3.1

Bumps [tinymce](https://github.com/tinymce/tinymce-dist) from 5.3.0 to 5.3.1.
- [Release notes](https://github.com/tinymce/tinymce-dist/releases)
- [Changelog](https://github.com/tinymce/tinymce-dist/blob/master/changelog.txt)
- [Commits](https://github.com/tinymce/tinymce-dist/compare/5.3.0...5.3.1)

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

package-lock.json

@@ -4996,9 +4996,9 @@
       }
     },
     "tinymce": {
-      "version": "5.3.0",
-      "resolved": "https://registry.npmjs.org/tinymce/-/tinymce-5.3.0.tgz",
-      "integrity": "sha512-uqEvypPRWnFT93PcoIJ4e56Azjbk3/O6W3A68+fifGRHbWkLNqcP2EMPEBdTdzYRXu9iOHnTgqMScYwLK3nYUA==",
+      "version": "5.3.1",
+      "resolved": "https://registry.npmjs.org/tinymce/-/tinymce-5.3.1.tgz",
+      "integrity": "sha512-pIo0yb9oncUXjB+aA06v/hmUTbY7MU5K2qvpP0XPo3ng2sAFR4DnX1QzDKBi0nEomjNKwYs/82cyBXO1KA9HNw==",
       "dev": true
     },
     "tmp": {

package.json

@@ -21,7 +21,7 @@
     "pump": "^3.0.0",
     "select2": "4.0.13",
     "select2-bootstrap-theme": "0.1.0-beta.10",
-    "tinymce": "^5.3.0"
+    "tinymce": "^5.3.1"
   },
   "scripts": {
     "build": "gulp copy && gulp less",