chore(deps): bump tinymce from 5.10.7 to 5.10.8 in /client

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] <[email protected]>

Author: dependabot[bot]

client/package-lock.json

@@ -42,7 +42,7 @@
     "firebase": "9.15.0",
     "json-pointer": "0.6.2",
     "rxjs": "7.8.0",
-    "tinymce": "5.10.7",
+    "tinymce": "5.10.8",
     "tslib": "2.4.1",
     "zone.js": "0.12.0"
   },