Update github.com/gorilla/websocket to address CVE-2020-27813.

[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: Addresses CVE-2020-27813.

Which issue(s) this PR fixes:

Closes #

Special notes for your reviewer:

[agones-bot]

Build Failed 😱

Build Id: 0fa4c180-2ae5-4020-bc82-51f25132a4b1

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[markmandel]

Think it might just be some flakiness in the sdk conformance tests. But if you can resolve the conflict, we can run this again.

[google-oss-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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[google-oss-robot]

New changes are detected. LGTM label has been removed.

[roberthbailey]

Think it might just be some flakiness in the sdk conformance tests. But if you can resolve the conflict, we can run this again.

Done. Let's see if the tests pass this time.

[agones-bot]

Build Succeeded 👏

Build Id: e394268f-ce47-44ab-8505-62b7940c3e65

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

• image: gcr.io/agones-images/agones-controller:1.17.0-7e3d588
• image: gcr.io/agones-images/agones-ping:1.17.0-7e3d588
• Linux C++ SDK (build): agonessdk-1.17.0-7e3d588-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.17.0-7e3d588.zip

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

• https://7e3d588-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/2195/head:pr_2195 && git checkout pr_2195
• helm install ./install/helm/agones --namespace agones-system --name agones --set agones.image.tag=1.17.0-7e3d588