Bump actions/checkout from 3.5.3 to 3.6.0 #314

Job	Run time
Install Cosign v0.6.0 and test presence in path with pre installed libpcsclite1 package (ubuntu-l...	23s
Install Cosign and test presence in path (macos-latest)	10s
Install Cosign and test presence in path (ubuntu-latest)	6s
Install Cosign and test presence in path (windows-latest)	25s
Install Custom Cosign and test presence in path (macos-latest)	15s
Install Custom Cosign and test presence in path (ubuntu-latest)	8s
Install Custom Cosign and test presence in path (windows-latest)	19s
Install Cosign v0.6.0 and test presence in path (macos-latest)	16s
Install Cosign v0.6.0 and test presence in path (ubuntu-latest)	20s
Install Cosign v0.6.0 and test presence in path (windows-latest)	18s
Install Custom Cosign and test presence in path with custom root dir (ubuntu-latest)	4s
Install Custom Cosign and test presence in path (macos-latest)	14s
Install Custom Cosign and test presence in path (ubuntu-latest)	7s
Install Custom Cosign and test presence in path (windows-latest)	15s
Try to install a wrong Cosign (macos-latest)	7s
Try to install a wrong Cosign (ubuntu-latest)	4s
Try to install a wrong Cosign (windows-latest)	15s
Try to install cosign with go 1.19	2m 43s
Try to install cosign with go 1.20	3m 55s
Try to install cosign with go 1.19	2m 22s
Try to install cosign with go 1.20	2m 42s
Try to install cosign with go 1.19	8m 48s
Try to install cosign with go 1.20	9m 16s
Install existing release of Cosign and test presence in path (ubuntu-latest)	8s
	33m 40s

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