Change Varbase Editor to 9.2.x in Varbase profile to support CKEditor 5 and drop support for CKEditor 4

Problem/Motivation

#3442752: Start a new 9.2.x branch for Varbase Editor to support CKEditor 5 and drop support for CKEditor 4
#3414834: Switch default config for Rich editor and Simple editor from CKEditor 4 to CKEditor 5

Proposed resolution

• Change "drupal/varbase_editor" to 9.2.x-dev in the composer.json file for development.
• Before releasing Varbase 9.2.3 profile - Change "drupal/varbase_editor" to ~9.1.0 || ~9.2.0

Using a new way to add the media embed libraries with asset-packagist.org

Reading form https://ckeditor.com/docs/ckeditor5/latest/features/media-embed.html

https://www.npmjs.com/package/@ckeditor/ckeditor5-media-embed
https://ckeditor.com/docs/ckeditor5/latest/features/media-embed.html
https://asset-packagist.org/package/npm-asset/ckeditor--ckeditor5-media-...

Adding "npm-asset/ckeditor--ckeditor5-media-embed": "*" in Varbase 9.1.x and 10.0.x profile composer.json file.

#3394223: Fix Status Report for updates with Embed button CKEditor5 compatibility after updating

Remaining tasks

• ✅ File an issue about this project
• ✅ Addition/Change/Update/Fix to this project
• ✅ Testing to ensure no regression
• ✅ Automated unit/functional testing coverage
  
• ➖ Developer Documentation support on feature change/addition
• ➖ User Guide Documentation support on feature change/addition
• ➖ UX/UI designer responsibilities
• ➖ Accessibility and Readability
• ✅ Code review from 1 Varbase core team member
• ✅ Full testing and approval
• ✅ Credit contributors
• ✅ Review with the product owner
• ✅ Update Release Notes and Update Helper on new feature change/addition
• ✅ Release varbase-9.1.3

Varbase update type

• ✅ No Update
• ➖ Optional Update
• ➖ Forced Update
• ➖ Forced Update if Unchanged

User interface changes

• N/A

API changes

• N/A

Data model changes

• N/A

Release notes snippet

• Issue #3442767: Changed Varbase Editor to 9.2.x in Varbase profile to support CKEditor 5 and drop support for CKEditor 4