UpdraftPlus Premium 2.25.5.26

* FIX: Do not create a zip manifest file if the zip is still potentially incomplete
* TWEAK: Improve Dropbox downloading performance by reducing round-trips, by eliminating unnecessary chunking
* TWEAK: Update certificate store to current list
* TWEAK: Increase precision of previous check-in record in log

FIX: Use correct zip file name when creating manifest
TWEAK: Tweak the response data of UpdraftCentral's plugin and theme handlers to add additional error information
TWEAK: Moved the raw backup history command so it can be accessed via UpdraftCentral
TWEAK: Optimise away unnecessary file open/read/close cycle on null gzip files when writing the final database dump (should help on enormous sites with thousands of tables)
TWEAK: Cleanup .list.tmp files when a local backup completes
TWEAK: Refactor WebDAV addon code for future improvements

FIX: Fix UpdraftCentral error when installing plugin or theme on a slow connection
TWEAK: Support wildcard (asterisk char) exclusions not just for the first/top-level directory but also for the 2nd level directories and below
TWEAK: Fix deprecation warning on UpdraftCentral's comment settings
TWEAK: Algorithm improvement with small tables with individually large rows not triggering the existing over-sized rows algorithm, to reduce fetch size quicker
TWEAK: Implement the newly abstracted host plugin usage/process within the UpdraftCentral client code
TWEAK: Improve backtrace logging
TWEAK: Add admin and log warning messages regarding the planned shutdown of Microsoft Azure and OneDrive Germany
TWEAK: Output UpdraftVault quota recount link if needed
TWEAK: Introduce constant: UPDRAFTPLUS_LOG_BACKUP_SELECTS: Defining this to true will cause the SQL SELECT commands used when fetching data for a database table backup to be logged in the UpdraftPlus backup log
TWEAK: Don't change SQL modes if a null value is returned
TWEAK: Existing backups paging logic to avoid a confusing rescan user experience