Update prost/prost-types

[Jake-Shadle]

/kind hotfix

What this PR does / Why we need it:
There is a security vulnerability in prost-types which is an indirect dependency of prost/tonic, this just updates the packages to get the fix. The vulnerability probably doesn't matter for agones, but this just ensures that the agones dependencies are up to date as the rest of the ecosystem moves up.

[agones-bot]

Build Failed 😱

Build Id: f2adbbc4-8ee2-447d-9cfa-8b647c45996b

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[roberthbailey]

Tests failed because I was resizing the e2e cluster and the control plane is currently unavailable. In cloud shell I'm currently seeing:

$ kubectl get pods                                                                                                                                                                  
The connection to the server 35.247.77.107 was refused - did you specify the right host or port?

I'll restart the tests once the control plane is accessible again.

[roberthbailey]

This looks similar like it should make #2176 unnecessary.

[Jake-Shadle]

Oh haha, awkward, that's my colleague and I was on vacation so didn't notice that PR. 😅

[roberthbailey]

It would have merged already except for the missing CLA.

[agones-bot]

Build Succeeded 👏

Build Id: 9341352a-2433-4135-9e81-58cb79699bf4

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

• image: gcr.io/agones-images/agones-controller:1.17.0-a818ccb
• image: gcr.io/agones-images/agones-ping:1.17.0-a818ccb
• Linux C++ SDK (build): agonessdk-1.17.0-a818ccb-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.17.0-a818ccb.zip

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

• https://a818ccb-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/2190/head:pr_2190 && git checkout pr_2190
• helm install ./install/helm/agones --namespace agones-system --name agones --set agones.image.tag=1.17.0-a818ccb

[markmandel]

LGTM! Can confirm that we can close #2176 in favour of this PR 👍🏻

[google-oss-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Jake-Shadle, markmandel

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