Bumps simple-game-server version to 0.22

[igooch]

What type of PR is this?

/kind cleanup

What this PR does / Why we need it:

Updates the simple-game-server tag references to the newest version 0.22 updated in #3500.

Which issue(s) this PR fixes:

Working on #2716

Special notes for your reviewer:

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

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

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

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [markmandel]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[google-oss-prow]

New changes are detected. LGTM label has been removed.

[agones-bot]

Build Succeeded 👏

Build Id: 69cb4f1b-163a-4cf8-8708-5515621f3910

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:1.37.0-dev-3c1551c-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-extensions:1.37.0-dev-3c1551c-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-sdk:1.37.0-dev-3c1551c-linux-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-ping:1.37.0-dev-3c1551c-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-allocator:1.37.0-dev-3c1551c-amd64
• Linux C++ SDK (build): agonessdk-1.37.0-dev-3c1551c-amd64-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.37.0-dev-3c1551c-amd64.zip

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

• https://3c1551c-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/3504/head:pr_3504 && git checkout pr_3504
• helm install agones ./install/helm/agones --namespace agones-system --set agones.image.registry=us-docker.pkg.dev/agones-images/ci --set agones.image.tag=1.37.0-dev-3c1551c-amd64