bump cosign to v2.2.1 #328

Job	Run time
Install Cosign v0.6.0 and test presence in path (macos-latest)	14s
Install existing release of Cosign and test presence in path (ubuntu-latest)	5s
Install Cosign v0.6.0 and test presence in path (ubuntu-latest)	16s
Install Cosign v0.6.0 and test presence in path with pre installed libpcsclite1 package (ubuntu-l...	18s
Install Cosign and test presence in path (macos-latest)	12s
Install Cosign v0.6.0 and test presence in path (windows-latest)	14s
Install Cosign and test presence in path (ubuntu-latest)	5s
Install Custom Cosign and test presence in path (macos-latest)	13s
Install Cosign and test presence in path (windows-latest)	20s
Install Custom Cosign and test presence in path (macos-latest)	12s
Install Custom Cosign and test presence in path (ubuntu-latest)	7s
Install Custom Cosign and test presence in path with custom root dir (ubuntu-latest)	6s
Install Custom Cosign and test presence in path (ubuntu-latest)	7s
Install Custom Cosign and test presence in path (windows-latest)	18s
Try to install a wrong Cosign (macos-latest)	11s
Install Custom Cosign and test presence in path (windows-latest)	18s
Try to install a wrong Cosign (ubuntu-latest)	4s
Try to install a wrong Cosign (windows-latest)	15s
Try to install cosign with go 1.20	2m 11s
Try to install cosign with go 1.21	3m 5s
Try to install cosign with go 1.20	2m 49s
Try to install cosign with go 1.21	2m 45s
Try to install cosign with go 1.20	11m 21s
Try to install cosign with go 1.21	10m 40s
	36m 26s

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