Avoid some SKIPs in check-linux-gnu-{ubuntu,centos,alma}, check-linux… #30

Job	Run time
build-tarball	27m 52s
make check on Alpine Linux	16m 51s
make check on AlmaLinux GNU/Linux	28m 48s
make check on FreeBSD	8m 12s
make check on Cygwin (32)	1h 27m 52s
make check on Cygwin (64)	1h 33m 5s
make check on CentOS GNU/Linux	15m 43s
make check on Ubuntu GNU/Linux	30m 20s
make check on macOS (macos-12)	20m 45s
make check on mingw (32)	51m 1s
make check on macOS (macos-13)	21m 20s
make check on MSVC (32)	38m 24s
make check on mingw (64)	50m 22s
make check on NetBSD	12m 10s
make check on MSVC (64)	36m 0s
make check on macOS (macos-14)	10m 38s
make check on OpenBSD	10m 44s
make check with sanitizers	10m 38s
make check on Solaris 11	30m 51s
make check on Solaris 11 OmniOS	48m 57s
	10h 50m 33s

Provide feedback