Bump @types/tinymce from 4.6.5 to 4.6.6

Bumps [@types/tinymce](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/tinymce) from 4.6.5 to 4.6.6.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/tinymce)

---
updated-dependencies:
- dependency-name: "@types/tinymce"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -46,7 +46,7 @@
     "@types/jquery": "^3.5.18",
     "@types/jqueryui": "^1.12.17",
     "@types/select2": "^4.0.58",
-    "@types/tinymce": "^4.6.5",
+    "@types/tinymce": "^4.6.6",
     "@wordpress/browserslist-config": "^5.24.0",
     "@wordpress/eslint-plugin": "^15.1.0",
     "@wordpress/stylelint-config": "^21.24.0",