Multiple #[godot_api] impl blocks #2956

Job	Run time
rustfmt	16s
doc-lints	45s
clippy	1m 58s
godot-itest (macos)	1m 7s
run-examples	1m 8s
unit-test	2m 16s
godot-itest (windows)	2m 45s
license-guard	29s
godot-itest (linux-full)	2m 23s
godot-itest (linux-features-experimental)	1m 52s
godot-itest (linux-4.1)	1m 20s
godot-itest (linux-4.2)	1m 14s
godot-itest (linux-memcheck)	2m 25s
ci-status	3s
	20m 1s

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