Build: Bump aqt from 3.1.18 to 3.1.21 (Automated PR) #4937

Job	Run time
Build vars & Github release (if required)	11s
Build for Android .apk (artifact+codeQL)	1m 35s
Build for Linux .deb amd64 (artifacts+codeQL)	7m 14s
Build for Linux .deb armhf (artifacts)	4m 27s
Build for Linux .deb arm64 (artifacts)	3m 39s
Build for MacOS (artifacts)	6m 12s
Build for MacOS Legacy (artifacts+CodeQL)	16m 33s
Build for iOS (artifacts)	1s
Build for Windows (artifact+codeQL)	24m 48s
Build for Windows JACK (artifact)	9m 21s
Create files for .deb repository (if requested)	0s
	1h 14m 1s

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