Add msys2 option #136

Job	Run time
test-cache (macos-12, 2.0.2)	53s
test-cache (macos-12, 1.2.2)	1m 13s
test-cache (macos-12, nightly)	50s
test-cache (macos-12, master)	4m 2s
test-cache (macos-14, 2.0.2)	36s
test-cache (macos-14, nightly)	43s
test-cache (macos-14, master)	2m 39s
test-cache (macos-latest, 2.0.2)	30s
test-cache (macos-latest, nightly)	39s
test-cache (macos-latest, master)	2m 41s
test-cache (ubuntu-latest, 2.0.2)	50s
test-cache (ubuntu-latest, 1.2.2)	58s
test-cache (ubuntu-latest, nightly)	39s
test-cache (ubuntu-latest, master)	3m 50s
test-cache (windows-latest, 2.0.2)	1m 46s
test-cache (windows-latest, 1.2.2)	2m 42s
test-cache (windows-latest, nightly)	1m 53s
test-cache (windows-latest, master)	5m 23s
	32m 47s

Provide feedback