deps: update undici to 7.18.2 #2087

Job	Run time
Build slim tarball	1m 33s
aarch64-darwin: with shared libraries	2h 12m 15s
x86_64-darwin: with shared libraries	2h 47m 49s
aarch64-linux: with shared libraries	1h 30m 29s
x86_64-linux: with shared libraries	2h 6m 42s
	8h 38m 48s

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