ci: update SDL2 to 2.30.9 #2462

Job	Run time
flatpak (su.xash.Engine.Compat.i386)	3m 33s
build (ubuntu-20.04, linux, amd64)	15m 3s
build (ubuntu-20.04, linux, i386)	18m 6s
build (ubuntu-20.04, linux, arm64, true)	3m 37s
build (ubuntu-20.04, linux, armhf, true)	3m 24s
build (ubuntu-20.04, linux, riscv64, true)	3m 0s
build (ubuntu-20.04, linux, ppc64el, true)	3m 17s
build (ubuntu-20.04, android, multiarch)	6m 56s
build (ubuntu-latest, nswitch, arm64)	13m 47s
build (ubuntu-latest, psvita, armv7hf)	13m 4s
build (windows-latest, win32, amd64)	7m 0s
build (windows-2019, win32, i386)	2m 32s
build (macos-14, apple, arm64)	2m 17s
build (macos-13, apple, amd64)	8m 18s
Upload releases	1m 3s
	1h 44m 57s

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