action: Bump to node 24 #731

Job	Run time
Flatpak Builder Stop At	1m 27s
Lint	25s
Tests (20.x)	19s
Tests (18.x)	25s
Flatpak Builder (x86_64, no-cache, no-cache-restored)	1m 15s
Flatpak Builder (x86_64, use-cache, no-cache-restored)	1m 34s
Flatpak Builder with Dedicated Path Params	1m 15s
Flatpak Builder (aarch64, use-cache, cache-restored)	3m 7s
Flatpak Builder (x86_64, use-cache, cache-restored)	1m 26s
Flatpak Builder Cache Hit	1m 29s
	12m 42s

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