Bump tinymce from 5.8.1 to 5.10.0

Bumps [tinymce](https://github.com/tinymce/tinymce/tree/HEAD/modules/tinymce) from 5.8.1 to 5.10.0.
- [Release notes](https://github.com/tinymce/tinymce/releases)
- [Changelog](https://github.com/tinymce/tinymce/blob/develop/modules/tinymce/CHANGELOG.md)
- [Commits](https://github.com/tinymce/tinymce/commits/5.10.0/modules/tinymce)

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

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

package.json

@@ -25,7 +25,7 @@
     "core-js": "^3.6.5",
     "rxjs": "~6.5.5",
     "rxjs-compat": "^6.5.5",
-    "tinymce": "^5.8.1",
+    "tinymce": "^5.10.0",
     "tslib": "^2.4.0",
     "zone.js": "~0.11.4"
   },