Bump tinymce from 5.4.0 to 5.4.1

Bumps [tinymce](https://github.com/tinymce/tinymce-dist) from 5.4.0 to 5.4.1.
- [Release notes](https://github.com/tinymce/tinymce-dist/releases)
- [Changelog](https://github.com/tinymce/tinymce-dist/blob/master/changelog.txt)
- [Commits](tinymce/tinymce-dist@5.4.0...5.4.1)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

package-lock.json

@@ -59,6 +59,6 @@
         "source-sans-pro": "^3.6",
         "summernote": "^0.8.18",
         "sweetalert": "^2.1.2",
-        "tinymce": "^5.4.0"
+        "tinymce": "^5.4.1"
     }
 }