Fix: Update Debian Image to 12

[RoseSecurity]

What and Why

• Update default machine_type to debian-12
• Debian 12.0 was initially released on June 10th, 2023

[google-cla]

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[RoseSecurity]

@Djabx Any thoughts on this?

[Djabx]

@RoseSecurity Hi,
No issue for me: I'm setting the variable on my side.

But I'm just a contributor, not a maintainer :P

[apeabody]

Thanks for the contribution @RoseSecurity!

It looks like one of the commits used an email address not covered by the CLA.

[RoseSecurity]

Thanks for the contribution @RoseSecurity!

It looks like one of the commits used an email address not covered by the CLA.

No worries! Just signed the CLA with that email address as well. @apeabody

[apeabody]

Thanks for the contribution @RoseSecurity!
It looks like one of the commits used an email address not covered by the CLA.

No worries! Just signed the CLA with that email address as well. @apeabody

Thanks! - That check is now green.

[apeabody]

/gcbrun

[apeabody]

Thanks for the contribution @RoseSecurity!

[apeabody]

/gcbrun