Bump tinymce from 5.10.7 to 5.10.8

Bumps [tinymce](https://github.com/tinymce/tinymce/tree/HEAD/modules/tinymce) from 5.10.7 to 5.10.8.
- [Changelog](https://github.com/tinymce/tinymce/blob/5.10.8/modules/tinymce/CHANGELOG.md)
- [Commits](https://github.com/tinymce/tinymce/commits/5.10.8/modules/tinymce)

---
updated-dependencies:
- dependency-name: tinymce
  dependency-type: direct:production
...

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

package.json

@@ -43,6 +43,6 @@
         "npm-check-updates": "^16.10.13",
         "pace-js": "^1.2.4",
         "pnotify": "4.0.1",
-        "tinymce": "5.10.7"
+        "tinymce": "5.10.8"
     }
 }