update examples (#133) #303

Job	Run time
Install Cosign v0.6.0 and test presence in path with pre installed libpcsclite1 package (ubuntu-l...	27s
Install Cosign v0.6.0 and test presence in path (macos-latest)	15s
Install Cosign v0.6.0 and test presence in path (ubuntu-latest)	27s
Install Cosign v0.6.0 and test presence in path (windows-latest)	25s
Install Cosign and test presence in path (macos-latest)	10s
Install Cosign and test presence in path (ubuntu-latest)	5s
Install Cosign and test presence in path (windows-latest)	17s
Install Custom Cosign and test presence in path (macos-latest)	10s
Install Custom Cosign and test presence in path (ubuntu-latest)	3s
Install Custom Cosign and test presence in path (windows-latest)	43s
Install Custom Cosign and test presence in path (macos-latest)	15s
Install Custom Cosign and test presence in path (ubuntu-latest)	6s
Install Custom Cosign and test presence in path (windows-latest)	28s
Install Custom Cosign and test presence in path with custom root dir (ubuntu-latest)	4s
Try to install a wrong Cosign (macos-latest)	9s
Try to install a wrong Cosign (ubuntu-latest)	6s
Try to install a wrong Cosign (windows-latest)	13s
Try to install cosign with go 1.19	3m 9s
Try to install cosign with go 1.20	3m 6s
Try to install cosign with go 1.19	2m 20s
Try to install cosign with go 1.20	2m 51s
Try to install cosign with go 1.19	5m 24s
Try to install cosign with go 1.20	5m 20s
Install existing release of Cosign and test presence in path (ubuntu-latest)	7s
	26m 40s

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