Specify the machine type for agones-metrics nodepool since the default one doesn't meet resource requirement

[gongmax]

…lt one doesn't meet resource requirement

What type of PR is this?

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/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:

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[agones-bot]

Build Failed 😱

Build Id: 6303b880-8cab-4bd8-b101-988e30611f6e

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[agones-bot]

Build Failed 😱

Build Id: 2140fc2e-2cb1-4285-94d3-b40c8c67197b

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[agones-bot]

Build Failed 😱

Build Id: 8a343870-33de-4cfa-bab5-f1dd8a7f0a0e

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[agones-bot]

Build Succeeded 👏

Build Id: 96defa61-d631-43b3-8fd6-077afc9aaca5

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:1.32.0-b9e7002-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-sdk:1.32.0-b9e7002-linux-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-ping:1.32.0-b9e7002-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-allocator:1.32.0-b9e7002-amd64
• Linux C++ SDK (build): agonessdk-1.32.0-b9e7002-amd64-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.32.0-b9e7002-amd64.zip

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

• https://b9e7002-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/3109/head:pr_3109 && git checkout pr_3109
• helm install agones ./install/helm/agones --namespace agones-system --agones.image.release=us-docker.pkg.dev/agones-images/ci --set agones.image.tag=1.32.0-b9e7002-amd64

[google-oss-prow]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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