meta: ignore AI assistants files #5122

Job	Run time
Build slim tarball	2m 37s
aarch64-linux: with shared libraries	18m 5s
x86_64-darwin: with shared libraries	30m 49s
aarch64-darwin: with shared libraries	20m 28s
x86_64-linux: with shared libraries	21m 21s
	1h 33m 20s

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