Add support for inline/stack allocated types #1379

Job	Run time
Tests / cargo-deny	31s
Tests / cargo-clippy	46s
Tests / cargo-fmt	20s
Tests / amd64-linux-gnu	2m 17s
Tests / amd64-linux-musl	2m 57s
Tests / inko-fmt	59s
Tests / vale	11s
Tests / amd64-freebsd-native	3m 56s
Tests / amd64-mac-native	3m 53s
Tests / arm64-mac-native	1m 44s
Nightly container	0s
Standard library documentation	0s
Documentation	0s
	17m 34s

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