mac: disable c-ares custom dns resolver #3701

Job	Run time
mac-compiler-compatible (macos-14, Debug)	12m 2s
linux-compiler-compatible (clang, Debug, libc++)	12m 21s
mingw64-compiler-compatible-crosscompiling (i686, Debug)	16m 16s
mac-compiler-compatible (macos-14, Release)	9m 5s
linux-compiler-compatible (clang, Release, libc++)	10m 37s
mingw64-compiler-compatible-crosscompiling (i686, Release)	14m 35s
mingw64-compiler-compatible-crosscompiling (x86_64, Debug)	15m 51s
mingw64-compiler-compatible-crosscompiling (x86_64, Release)	15m 20s
win-compiler-compatible-2022 (x86, dynamic, Debug)	34m 8s
win-compiler-compatible-2022 (x86, dynamic, Release)	28m 27s
	2h 48m 42s

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