Upgrade terraform to Kubernetes 1.22

[roberthbailey]

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

What this PR does / Why we need it: First step of upgrading Kubernetes support to 1.22.

Which issue(s) this PR fixes:

Work on #2494

Special notes for your reviewer:

Azure version chosen after inspecting available versions using the azure-cli:

$ docker run -it mcr.microsoft.com/azure-cli
bash-5.1# az aks get-versions --location eastus --output table
KubernetesVersion    Upgrades
-------------------  ----------------------
1.23.5               None available
1.23.3               1.23.5
1.22.6               1.23.3, 1.23.5
1.22.4               1.22.6, 1.23.3, 1.23.5
1.21.9               1.22.4, 1.22.6
1.21.7               1.21.9, 1.22.4, 1.22.6

[agones-bot]

Build Succeeded 👏

Build Id: 188209d6-5af7-48a1-889f-e5ecde4a0b19

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

• image: gcr.io/agones-images/agones-controller:1.23.0-fdfebc1
• image: gcr.io/agones-images/agones-ping:1.23.0-fdfebc1
• Linux C++ SDK (build): agonessdk-1.23.0-fdfebc1-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.23.0-fdfebc1.zip

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

• https://fdfebc1-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/2551/head:pr_2551 && git checkout pr_2551
• helm install ./install/helm/agones --namespace agones-system --name agones --set agones.image.tag=1.23.0-fdfebc1

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: pooneh-m, roberthbailey

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• OWNERS [pooneh-m,roberthbailey]

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