Update the image used in the helm uninstall to work on ARM.

[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:

Which issue(s) this PR fixes:
Work on #2216

Special notes for your reviewer:

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

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

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• OWNERS [markmandel,roberthbailey]

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[agones-bot]

Build Succeeded 👏

Build Id: b2080d11-45b6-49f8-84dd-834b8b63a113

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

• image: gcr.io/agones-images/agones-controller:1.24.0-e8204b3-amd64
• image: gcr.io/agones-images/agones-controller:1.24.0-e8204b3-arm64
• image: gcr.io/agones-images/agones-ping:1.24.0-e8204b3-amd64
• image: gcr.io/agones-images/agones-ping:1.24.0-e8204b3-arm64
• Linux C++ SDK (build): agonessdk-1.24.0-e8204b3-arm64-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.24.0-e8204b3-arm64.zip

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

• https://e8204b3-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/2615/head:pr_2615 && git checkout pr_2615
• helm install agones ./install/helm/agones --namespace agones-system --set agones.image.tag=1.24.0-e8204b3-amd64

[google-oss-prow]

New changes are detected. LGTM label has been removed.

[agones-bot]

Build Succeeded 👏

Build Id: 29597dd7-a3a2-44e8-8444-9b082e910278

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

• image: gcr.io/agones-images/agones-controller:1.24.0-2172bc2-amd64
• image: gcr.io/agones-images/agones-controller:1.24.0-2172bc2-arm64
• image: gcr.io/agones-images/agones-ping:1.24.0-2172bc2-amd64
• image: gcr.io/agones-images/agones-ping:1.24.0-2172bc2-arm64
• Linux C++ SDK (build): agonessdk-1.24.0-2172bc2-arm64-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.24.0-2172bc2-arm64.zip

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

• https://2172bc2-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/2615/head:pr_2615 && git checkout pr_2615
• helm install agones ./install/helm/agones --namespace agones-system --set agones.image.tag=1.24.0-2172bc2-amd64