[Issue] Update sortOrder load for async css plugin

[m2-assistant]

This issue is automatically created based on existing pull request: #30871: Update sortOrder load for async css plugin

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Description (*)

Magento 2.4-develop
This update made for sure load async css plugin first before JsFooterPlugin load. We use lower order for let magento run AsyncCssPlugin first then run into JsFooterPlugin. After all that is cache plugins will be run

Before this PR
Order plugins
JsFooterPlugin < BuiltinPlugin(PageCache) < VarnishPlugin(PageCache) < AsyncCssPlugin

After this PR
Order plugins now will be
AsyncCssPlugin < JsFooterPlugin < BuiltinPlugin(PageCache) < VarnishPlugin(PageCache)

Related Pull Requests

Fixed Issues (if relevant)

1. Fixes magento/magento2#<issue_number>

Manual testing scenarios (*)

1. Setup site magento 2.4 with code base 2.4-develop
2. Cache types all enabled
3. Enable async css
   Stores > Configuration > Advanced > Developer > Css setttings > Use CSS critical path: YES
4. Clear cache page + config

Questions or comments

CC: @HenKun @sidolov @krzksz @brightonmike Feel free give to me any suggest or comments

Contribution checklist (*)

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with unit/integration tests (if applicable)
• All automated tests passed successfully (all builds are green)

[m2-assistant]

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