Bump tinymce from 6.8.6 to 8.1.2 in /packages/react-sdk-components

Bumps [tinymce](https://github.com/tinymce/tinymce/tree/HEAD/modules/tinymce) from 6.8.6 to 8.1.2.
- [Changelog](https://github.com/tinymce/tinymce/blob/main/modules/tinymce/CHANGELOG.md)
- [Commits](https://github.com/tinymce/tinymce/commits/8.1.2/modules/tinymce)

---
updated-dependencies:
- dependency-name: tinymce
  dependency-version: 8.1.2
  dependency-type: direct:development
...

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

Author: dependabot[bot]

packages/react-sdk-components/package-lock.json

@@ -36,7 +36,7 @@
   },
   "devDependencies": {
     "@pega/pcore-pconnect-typedefs": "~3.2.2",
-    "tinymce": "^6.8.6"
+    "tinymce": "^8.1.2"
   },
   "peerDependencies": {
     "@pega/auth": "~0.2",