Upgrade built-tools Prometheus and Grafana

[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

What this PR does / Why we need it:

The old versions of Grafana where using K8s beta apis, so now would no longer install, so figured I would update both to the current latest.

Which issue(s) this PR fixes:

N/A

Special notes for your reviewer:

N/A

[agones-bot]

Build Failed 😱

Build Id: e9391eb4-cdac-4ff1-bb54-ae5bea4976ba

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[agones-bot]

Build Succeeded 👏

Build Id: 72c9652d-1cad-405d-9c09-bc6c3566c3f8

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

• image: gcr.io/agones-images/agones-controller:1.24.0-9fbf0a2-amd64
• image: gcr.io/agones-images/agones-controller:1.24.0-9fbf0a2-arm64
• image: gcr.io/agones-images/agones-ping:1.24.0-9fbf0a2-amd64
• image: gcr.io/agones-images/agones-ping:1.24.0-9fbf0a2-arm64
• Linux C++ SDK (build): agonessdk-1.24.0-9fbf0a2-arm64-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.24.0-9fbf0a2-arm64.zip

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

• https://9fbf0a2-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/2618/head:pr_2618 && git checkout pr_2618
• helm install agones ./install/helm/agones --namespace agones-system --set agones.image.tag=1.24.0-9fbf0a2-amd64

[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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