Add support for inline/stack allocated types #1304

Job	Run time
Tests / cargo-deny	43s
Tests / cargo-fmt	21s
Tests / vale	11s
Tests / inko-fmt	55s
Tests / cargo-clippy	44s
Tests / amd64-freebsd-native	3m 40s
Tests / amd64-linux-gnu	2m 16s
Tests / amd64-linux-musl	3m 8s
Tests / amd64-mac-native	2m 54s
Tests / arm64-mac-native	1m 50s
Standard library documentation	0s
Nightly container	0s
Documentation	0s
	16m 42s

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