Updates for Terraform

[markmandel]

What type of PR is this?

Uncomment only one /kind <> line, press enter to put that in a new line, and remove leading whitespace from that line:

/kind breaking
/kind bug

/kind cleanup

/kind documentation
/kind feature
/kind hotfix
/kind release

What this PR does / Why we need it:

Lumped a couple of things together:

1. Updated Terraform to the latest release in the build image.
2. Make a fix to the GKE image that ignores the maintenance policy if the cluster is not on a release channel.

Which issue(s) this PR fixes:

N/A

Special notes for your reviewer:

Applied terraform fmt as well.

[agones-bot]

Build Failed 😱

Build Id: 47285367-193e-4775-8799-f703d3028265

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[markmandel]

Still haven't fixed this unit test flake!

--- FAIL: TestAllocatorAllocateOnGameServerUpdateError (12.71s)
    allocator_test.go:504: 
        	Error Trace:	/go/src/agones.dev/agones/pkg/gameserverallocations/allocator_test.go:504
        	Error:      	An error is expected but got nil.
        	Test:       	TestAllocatorAllocateOnGameServerUpdateError

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: gongmax, markmandel

The full list of commands accepted by this bot can be found here.

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Needs approval from an approver in each of these files:

• OWNERS [markmandel]

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[agones-bot]

Build Failed 😱

Build Id: 50b4e919-b14d-4021-82ac-cb92959a9e58

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[google-oss-prow]

New changes are detected. LGTM label has been removed.

[agones-bot]

Build Succeeded 👏

Build Id: c9fb7646-ed51-4d46-b8aa-9e303dab357f

The following development artifacts have been built, and will exist for the next 30 days:

• image: us-docker.pkg.dev/agones-images/ci/agones-controller:1.34.0-dev-79423a8-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-extensions:1.34.0-dev-79423a8-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-sdk:1.34.0-dev-79423a8-linux-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-ping:1.34.0-dev-79423a8-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-allocator:1.34.0-dev-79423a8-amd64
• Linux C++ SDK (build): agonessdk-1.34.0-dev-79423a8-amd64-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.34.0-dev-79423a8-amd64.zip

A preview of the website (the last 30 builds are retained):

• https://79423a8-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/3293/head:pr_3293 && git checkout pr_3293
• helm install agones ./install/helm/agones --namespace agones-system --set agones.image.registry=us-docker.pkg.dev/agones-images/ci --set agones.image.tag=1.34.0-dev-79423a8-amd64