meta: ignore AI assistants files #5101

Job	Run time
Build slim tarball	2m 1s
aarch64-darwin: with shared libraries	21m 18s
x86_64-darwin: with shared libraries	35m 27s
x86_64-linux: with shared libraries	26m 18s
aarch64-linux: with shared libraries	21m 22s
	1h 46m 26s

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