Bump tinymce from 6.4.1 to 6.4.2

Bumps [tinymce](https://github.com/tinymce/tinymce/tree/HEAD/modules/tinymce) from 6.4.1 to 6.4.2.
- [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/6.4.2/modules/tinymce)

---
updated-dependencies:
- dependency-name: tinymce
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package.json

@@ -76,7 +76,7 @@
 		"swiper": "9.2.4",
 		"systemjs": "6.14.1",
 		"tableexport": "5.2.0",
-		"tinymce": "6.4.1",
+		"tinymce": "6.4.2",
 		"underscore": "1.13.6",
 		"unitegallery": "1.7.28",
 		"urijs": "1.19.11",

yarn.lock

@@ -7385,10 +7385,10 @@ tiny-emitter@^2.0.0:
   resolved "https://registry.yarnpkg.com/tiny-emitter/-/tiny-emitter-2.1.0.tgz#1d1a56edfc51c43e863cbb5382a72330e3555423"
   integrity sha512-NB6Dk1A9xgQPMoGqC5CVXn123gWyte215ONT5Pp5a0yt4nlEoO1ZWeCwpncaekPHXO60i47ihFnZPiRPjRMq4Q==
 
-tinymce@6.4.1:
-  version "6.4.1"
-  resolved "https://registry.yarnpkg.com/tinymce/-/tinymce-6.4.1.tgz#9c28f798074668d53371805fb6f1c68e582a4549"
-  integrity sha512-+/cS2AM9l6p72IBs2uolHbGsBUztLs0WslqNgFaTXtmMksTNUOhh8p08xtA/fa03UGlWEC6/EJoeV95/QDXa2A==
+tinymce@6.4.2:
+  version "6.4.2"
+  resolved "https://registry.yarnpkg.com/tinymce/-/tinymce-6.4.2.tgz#dd0a6d1d229ba6d1bf11cc88e418eb29315f6080"
+  integrity sha512-te+4c8PoAwTKPMBQtMQehnSZlOO9Ay5tDgaRFJKBehYb6SlX2PYZ0v3oe/cmiv5EfqdwZLkEMXk2MNOeApZZLg==
 
 titleize@^2.1.0:
   version "2.1.0"