fix(init): require `compat`, fixes issues on Emacs 29 #1250

Job	Run time
ci-macos (29.2, false)	1m 48s
ci-macos (29.3, false)	1m 34s
ci-macos (release-snapshot, false)	9m 1s
ci-macos (snapshot, true)	8m 26s
	20m 49s

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