deps: c-ares: cherry-pick 8ba37af8e3fb#64110
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Fixes nodejs#1056
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c-ares/c-ares@1d1b3d4
refactored the function to use wide strings, but didn't touch this
check. Because an empty wide string would now be size 2 and not 1, the
empty string would go on and cause the DNS domain list to be replaced
with nothing.
Signed-off-by: @dankmeme01
Refs: c-ares/c-ares@8ba37af
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Fixes the OS's DNS servers list being ignored on Windows since #60997. This patch landed in c-ares in February, but with no sign of an imminent release, it's probably worth cherry-picking this; the impact is fairly significant.
Fixes: #62347