linux

Update Cygwin CI expectations #17760

Job	Run time
Arch / PyPy	21m 34s
Arch Linux	20m 26s
Ubuntu Rolling (gcc, g++)	21m 35s
CUDA (on Arch)	6m 59s
Ubuntu Rolling (--unity=on -Ddefault_library=static, --no-unittests, gcc, g++)	15m 29s
Fedora	19m 55s
Ubuntu Rolling (-Ddefault_library=both, --no-unittests, gcc, g++)	15m 53s
Gentoo	24m 5s
Ubuntu Rolling (clang, clang++)	27m 35s
OpenSUSE	19m 21s
Ubuntu Rolling (--unity=on, --no-unittests, clang, clang++)	18m 17s
Ubuntu Bionic	15m 7s
Ubuntu Rolling (--cross ubuntu-armhf.json --cross linux-mingw-w64-64bit.json, 0, gcc, g++)	14m 32s
Ubuntu Rolling (--cross ubuntu-armhf.json --cross linux-mingw-w64-64bit.json, --unity=on, gcc, g++)	14m 10s
	4h 14m 58s

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