Build

meson: Migrate more submodules to subprojects #2816

Job	Run time
Create source package	1m 7s
Build for Ubuntu (Debug)	4m 13s
Build for macOS (x86_64, Debug)	2m 49s
Build for Ubuntu (Release)	3m 29s
Build for macOS (x86_64, Release)	4m 8s
Build for Windows (x86_64, Debug) on Ubuntu	2m 29s
Build for macOS (arm64, Debug)	2m 22s
Build for Windows (x86_64, Release) on Ubuntu	2m 29s
Build for macOS (arm64, Release)	3m 57s
Build for Windows (aarch64, Debug) on Ubuntu	2m 15s
Build for Windows (aarch64, Release) on Ubuntu	2m 15s
Generate PDB for Windows (${{ matrix.arch }}, ${{ matrix.configuration }})	0s
Build macOS Universal Bundle (debug)	12s
Build macOS Universal Bundle (release)	16s
Push to PPA Snapshot Branch	0s
Release	0s
	32m 1s

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