WP Optimize Premium 4.1.1

* FEATURE: Ability to defer js files and asynchronously load css files
* FEATURE: Option to not aggregate inline styles and scripts
* FIX: Always purge this cache HTML issue
* FIX: Cache - Enable cache for subfolders and multisite installation with the permalink structure example.com/index.php/a-post-name
* FIX: PHP 8 Issue: Minify and Merge Error
* FIX: Silent failure of page caching if plugin location not found
* TWEAK: Added Update URI header field to avoid accidentally being overwritten with an update of a plugin of a similar name from the WordPress.org Plugin Directory.
* TWEAK: Delay displaying notices for 2 weeks
* TWEAK: Improve label of when saving a media type in always purge this
* TWEAK: Improve query for EWWW IO history
* TWEAK: Prevent a PHP notice if using WP-Optimize and MetaSlider on the same site.
* TWEAK: Prevent PHP warnings from theme update and google font minify
* TWEAK: Skip HTML minification if the total size is > 1MB (takes too long to be worthwhile)
* TWEAK: Updating custom compression slider values

* FIX: Cache - Don't cache pages for logged-in users when 'Serve cached pages to logged in users' option (new in 3.1.10) is enabled

* FEATURE: Power Tweak - Change meta_key field length and create new index
* FEATURE: Premium - Automatic Backups using UpdraftPlus during scheduled optimizations
* FEATURE: Keep last X revisions
* FIX: Overlapping header notice in mobile view
* FIX: Cache - Wildcard not working in cache exclusions
* FIX: Prevent error in htaccess when mod_header isn't available
* FIX: PHP Fatal error on deleting plugin
* FIX: PHP 8 Issue: loadAsync JS error
* FIX: RankMath breaks robots.txt
* TWEAK: Bypass minify when editing translations using TranslatePress
* TWEAK: Purge minify cache from front end
* TWEAK: Minify - Prevent cache directory creation while disabled
* TWEAK: Add Google Fonts API version 2 support
* TWEAK: Minify - Save all tab content settings changes with single Click
* TWEAK: Improved optimization preview
* TWEAK: Filter the list of preloaded URLs
* TWEAK: Update seasonal notices
* TWEAK: Bump WP version requirement to 4.5+