tree bb994eb1adb8d213d9d446114ecc0ec27fb33885
parent c8ea4b24e72cde71b3c7af715f70b3f0adf9f124
author Drew Roen <drewroen@google.com> 1653060680 +0000
committer CQ Bot Account <flutter-scoped@luci-project-accounts.iam.gserviceaccount.com> 1653060680 +0000

Initial commit of publishing flutter artifacts to the artifact registry and signing it through cosign.

* Adds install cosign method, which takes the latest version of cosign from CIPD
* Adds an UploadAndSignFlutterPackage method, which both uplaods flutter to the artifact registry, then signs it.

Bug: b/230772081

Change-Id: I386ba0e3a021e2cfc877804cc3e669db63a8a9db
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/30202
Commit-Queue: Drew Roen <drewroen@google.com>
Reviewed-by: Christopher Fujino <fujino@google.com>