Added Ubuntu 22.04 builds for AWS and GCP

[AverageMarcus]

What this PR does / why we need it:
Adds build targets for Ubuntu 22.04 on AWS and GCP

Which issue(s) this PR fixes (optional, in fixes #(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged): Towards #960

Additional context

[k8s-ci-robot]

Hi @AverageMarcus. Thanks for your PR.

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[jsturtevant]

/ok-to-test

[AverageMarcus]

/retest

[AverageMarcus]

/retest

[kkeshavamurthy]

@MarcusNoble
I tried running a 22.04 build on AWS and ran into this issue

==> ubuntu-22.04: Launching a source AWS instance...
==> ubuntu-22.04: Adding tags to source instance
    ubuntu-22.04: Adding tag: "Name": "Packer Builder"
    ubuntu-22.04: Instance ID: i-0b8be6898bed5161d
==> ubuntu-22.04: Waiting for instance (i-0b8be6898bed5161d) to become ready...
==> ubuntu-22.04: Using ssh communicator to connect: 44.198.59.225
==> ubuntu-22.04: Waiting for SSH to become available...
==> ubuntu-22.04: Error waiting for SSH: Packer experienced an authentication error when trying to connect via SSH. This can happen if your username/password are wrong. You may want to double-check your credentials as part of your debugging process. original error: ssh: handshake failed: ssh: unable to authenticate, attempted methods [none publickey], no supported methods remain
==> ubuntu-22.04: Terminating the source AWS instance...

Builds work fine with 20.04. So I'm thinking there's some version issues in 22.04? I'm using packer 1.8.4. Did you see similar issues in your testing?

[AverageMarcus]

I did initially. I forget exactly what the fix was. Are you using the latest version of the image-builder container image?

We've been building 22.04 AMIs for a while now, here's the override values we're using for it: https://github.com/giantswarm/capi-image-builder/blob/d97cc5dec3421fd5959a2f64197f0417c937f6d7/helm/capi-image-builder/templates/pipelines/capa.yaml#LL67C17-L67C17

[kkeshavamurthy]

@AverageMarcus
Sorry for the delayed reply,
I was using packer 1.7.2 before. I upgraded to 1.8.4 and things seem to be progressing.

[kkeshavamurthy]

Thanks for adding this @AverageMarcus
I'm able to Ubuntu 22.04 AMIs.
Can you pls squash your commits and I'll get this merged.

[AverageMarcus]

@kkeshavamurthy Squashed & rebased :)

[kkeshavamurthy]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: AverageMarcus, kkeshavamurthy

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