Google KMS Public Key

[afrittoli]

Tekton Chains used to be configured in the dogfooding cluster on GCP to use Google KMS service.
All GCP services have been de-provisioned. For posterity, this is the public key that can be used to verify resources signed by that instance of Tekton Chains:

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEnLNw3RYx9xQjXbUEw8vonX3U4+tB
kPnJq+zt386SCoG0ewIH5MB8+GjIDGArUULSDfjfM31Eae/71kavAUI0OA==
-----END PUBLIC KEY-----

[AlanGreene]

This is also tracked in the repo at https://github.com/tektoncd/chains/blob/2ae36f68042e1e91364037a34bbf3f4390bb7d07/tekton.pub