Update qifw to 4.8

[EndrII]

Qt Installer Framework v4.8.0

• Fix occasional crash in install phase (QTIFW-3314)
• Allow overwriting undo in some operations (QTIFW-3333, QTIFW-393)
• Add possibility to add extra log when meta fetch fails (QTIFW-3012)
• Fix http authorization login (QTIFW-3301)
• Fix QDesktopServices properties (QTIFW-3334)
• Fix maintenance tool register path parameters
• Fix productType function return value in macos (QTIFW-3309)
• Speed up cache validation (QTIFW-3328)
• Fix QFileDialog documentation (QTIFW-3320)
• Disable 'clear cache' button until new cache settings are applied (QTIFW-3252)
• Add detailed warning when hash verification fails
• Add security warning possibility when using additional repositories (QTIFW-3305)
• Add possibility to add additional license text to CLI (QTIFW-3319)
• Include minimal qt.conf file (QTIFW-3292)
• Add Chinese and Portuquese languages (QTIFW-3325)
• Fix translations missing in Linux and macOS (QTIFW-3310)
• CLI: Perform commands primarily from default repositories (QTIFW-3251)
• Add possibility to change button text (QTIFW-711)