Test

Use action/checkout v4 instead of v2 in tests #87

Job	Run time
Complex Test (1)	11s
Complex Test (1)	55s
Test failure of time machine signature	11s
Test failure of time machine signature	23s
Check install directory behaviour (C:\tools\cygwin)	12s
Check install directory behaviour (C:\tools\cygwin)	59s
Test multiple sites and extra pubkeys	1m 16s
Test multiple sites and extra pubkeys	1m 4s
Check install directory behaviour (D:\cygwin64)	10s
Check install directory behaviour (D:\cygwin64)	45s
Check symlink type control (native)	10s
Check symlink type control (native)	58s
Test x86_64	10s
Test x86_64	46s
Test time machine signature	10s
Test time machine signature	1m 23s
Check symlink type control (sys)	15s
Check symlink type control (sys)	1m 14s
Test x86	58s
Test x86	1m 21s
Check symlink type control (wsl)	15s
Check symlink type control (wsl)	1m 3s
Test amd64	10s
Test amd64	1m 3s
	16m 2s

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