Release 6.43.0

TER-1051 New: Refund/cancel any sale from terminal
TER-1344 Fix: Print error handling in unattended scan-only mode
TER-1534 Fix: Kiosk mode - No “← Back” button for “Pay with scan”
TER-1539 Fix: Block Kiosk after 1 print error retry
TER-1585 Fix: Change redeemed_at and scanned_at values to be lookup response timestamp
TER-1595 New: Add disallow upgrades on session and remove the option to upgrade
TER-1613 New: Tax Rate booking and travel periods
TER-1617 New: Update CDN PDFs with Different Languages
TER-1625 Fix: Allow unit change on rebook
TER-1626 Fix: Multiple languages can be selected on Kiosk