chore(deps): bump tinymce from 4.9.11 to 5.10.9

Bumps [tinymce](https://github.com/tinymce/tinymce/tree/HEAD/modules/tinymce) from 4.9.11 to 5.10.9.
- [Changelog](https://github.com/tinymce/tinymce/blob/5.10.9/modules/tinymce/CHANGELOG.md)
- [Commits](https://github.com/tinymce/tinymce/commits/5.10.9/modules/tinymce)

---
updated-dependencies:
- dependency-name: tinymce
  dependency-type: direct:production
...

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

package.json

@@ -76,7 +76,7 @@
     "rxjs": "^6.6.7",
     "rxjs-compat": "^6.5.5",
     "save-svg-as-png": "^1.4.17",
-    "tinymce": "^4.9.11",
+    "tinymce": "^5.10.9",
     "tslib": "^2.0.3",
     "zone.js": "~0.11.4"
   },

yarn.lock

@@ -9939,10 +9939,10 @@ thunky@^1.0.2:
   resolved "https://registry.yarnpkg.com/thunky/-/thunky-1.1.0.tgz#5abaf714a9405db0504732bbccd2cedd9ef9537d"
   integrity sha512-eHY7nBftgThBqOyHGVN+l8gF0BucP09fMo0oO/Lb0w1OF80dJv+lDVpXG60WMQvkcxAkNybKsrEIE3ZtKGmPrA==
 
-tinymce@^4.9.11:
-  version "4.9.11"
-  resolved "https://registry.yarnpkg.com/tinymce/-/tinymce-4.9.11.tgz#e3dae099722294c5b8d84ba7ef18dd126de6b582"
-  integrity sha512-nkSLsax+VY5DBRjMFnHFqPwTnlLEGHCco82FwJF2JNH6W+5/ClvNC1P4uhD5lXPDNiDykSHR0XJdEh7w/ICHzA==
+tinymce@^5.10.9:
+  version "5.10.9"
+  resolved "https://registry.yarnpkg.com/tinymce/-/tinymce-5.10.9.tgz#1dfacb3231c71a688d90ff44a0b3f2e91b3b9edf"
+  integrity sha512-5bkrors87X9LhYX2xq8GgPHrIgJYHl87YNs+kBcjQ5I3CiUgzo/vFcGvT3MZQ9QHsEeYMhYO6a5CLGGffR8hMg==
 
 tmp-promise@^3.0.2:
   version "3.0.3"