Regenerate gRPC clients for all SDKs.

[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:

• Realised the instructions where wrong. It should be make gen-all-sdk-grpc (we should document this).
• Also updated the CPP SDK to 1.36.1.

Which issue(s) this PR fixes:

Work on #2642

Special notes for your reviewer:

Making a note we should update kubernetes_update.md with updating gRPC version details.

[agones-bot]

Build Failed 😱

Build Id: f450abd3-dbc8-4e8f-9fdf-16c53c756532

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[markmandel]

gah

--- FAIL: TestFleetRollingUpdate (0.00s)
    --- FAIL: TestFleetRollingUpdate/Use_fleet_Patch_true_25%_cycle_true (94.14s)
        fleet_test.go:413: 
            	Error Trace:	fleet_test.go:413
            	Error:      	Condition never satisfied
            	Test:       	TestFleetRollingUpdate/Use_fleet_Patch_true_25%_cycle_true
time="2022-09-03 00:45:24.316" level=info msg="Checking Fleet Ready replicas" expected=1 fl

flakiness.

[agones-bot]

Build Failed 😱

Build Id: 875dcce7-6e5c-4fa0-877a-22b97f186b19

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[agones-bot]

Build Succeeded 👏

Build Id: 5ed2b03a-246c-49ba-ac93-9e31840b874e

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:1.26.0-a795717-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-sdk:1.26.0-a795717-linux-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-ping:1.26.0-a795717-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-allocator:1.26.0-a795717-amd64
• Linux C++ SDK (build): agonessdk-1.26.0-a795717-amd64-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.26.0-a795717-amd64.zip

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

• https://a795717-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/2727/head:pr_2727 && git checkout pr_2727
• helm install agones ./install/helm/agones --namespace agones-system --set agones.image.tag=1.26.0-a795717-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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