Allow compute engine instances to be launched with Secure Boot enabled.

[CWJoseph]

Added an option to allow the compute engine instances to be launched with secure boot enabled. The new boolean field enableSecureBoot can be set in the Jenkins UI or via CasC. This is a security feature that helps protect against boot-level and kernel-level malware and rootkits.

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[MihaiDiac]

Any chance to get this feature? From a security point of view it makes a lot of sense to have it.