Bump tinymce from 6.5.1 to 6.6.0

Bumps [tinymce](https://github.com/tinymce/tinymce/tree/HEAD/modules/tinymce) from 6.5.1 to 6.6.0.
- [Changelog](https://github.com/tinymce/tinymce/blob/develop/modules/tinymce/CHANGELOG.md)
- [Commits](https://github.com/tinymce/tinymce/commits/6.6.0/modules/tinymce)

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

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

Author: dependabot[bot]

package.json

@@ -76,7 +76,7 @@
 		"swiper": "10.0.4",
 		"systemjs": "6.14.1",
 		"tableexport": "5.2.0",
-		"tinymce": "6.5.1",
+		"tinymce": "6.6.0",
 		"underscore": "1.13.6",
 		"unitegallery": "1.7.28",
 		"urijs": "1.19.11",

yarn.lock

@@ -7809,10 +7809,10 @@ tiny-emitter@^2.0.0:
   resolved "https://registry.yarnpkg.com/tiny-emitter/-/tiny-emitter-2.1.0.tgz#1d1a56edfc51c43e863cbb5382a72330e3555423"
   integrity sha512-NB6Dk1A9xgQPMoGqC5CVXn123gWyte215ONT5Pp5a0yt4nlEoO1ZWeCwpncaekPHXO60i47ihFnZPiRPjRMq4Q==
 
-tinymce@6.5.1:
-  version "6.5.1"
-  resolved "https://registry.yarnpkg.com/tinymce/-/tinymce-6.5.1.tgz#f228bf2dc1abf28565523f359b849dad1706357d"
-  integrity sha512-J67fxJiX3tjvVqer1dg1+cOxMeE2P55ESGhaakvqGPbAUU45HnCMLSioaOsxV1KfcXustw9WJo0rtn1SNQlVKQ==
+tinymce@6.6.0:
+  version "6.6.0"
+  resolved "https://registry.yarnpkg.com/tinymce/-/tinymce-6.6.0.tgz#daf0e8c04c6834c03b64efb4bda024e7f5bcf614"
+  integrity sha512-b9Mb7z8ryFOwLm8WCmlpwzdgOt1xD1u5Jjdh68B4QjkIyTLyHRBsfsrbiCUGonnVTymDlkexPkaP8sj24zexKQ==
 
 titleize@^2.1.0:
   version "2.1.0"