Revert pip "--break-system-packages" #4829

Job	Run time
Build vars & Github release (if required)	7s
Build for Android .apk (artifact+codeQL)	30m 3s
Build for Linux .deb amd64 (artifacts+codeQL)	7m 0s
Build for Linux .deb armhf (artifacts)	4m 0s
Build for Linux .deb arm64 (artifacts)	3m 45s
Build for MacOS (artifacts)	6m 49s
Build for MacOS Legacy (artifacts+CodeQL)	13m 30s
Build for iOS (artifacts)	5m 45s
Build for Windows (artifact+codeQL)	24m 33s
Build for Windows JACK (artifact)	7m 54s
Create files for .deb repository (if requested)	0s
	1h 43m 26s

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