Update the simple game server image to 0.3.

[roberthbailey]

This is the first multi-arch build of the simple game server example,
which will run on both linux and windows.

Note that this change does not include the website, which will be done
in a follow up commit.

What type of PR is this?

Uncomment only one /kind <> line, hit 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: Part of #54

Special notes for your reviewer:

[roberthbailey]

/cc @jeremyje
/assign @ilkercelikyilmaz

I haven't pushed the image to gcr.io/agones-images yet, but I pushed it to my project and verified that I can create a fleet with it.

[google-oss-robot]

@roberthbailey: GitHub didn't allow me to request PR reviews from the following users: jeremyje.

Note that only googleforgames members and repo collaborators can review this PR, and authors cannot review their own PRs.

In response to this:

/cc @jeremyje
/assign @ilkercelikyilmaz

I haven't pushed the image to gcr.io/agones-images yet, but I pushed it to my project and verified that I can create a fleet with it.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[roberthbailey]

I just realized that the tests are all going to fail until I push the image, so I've gone ahead and pushed it.

[agones-bot]

Build Succeeded 👏

Build Id: 1aa87d6b-7d9e-4384-85db-189e1cf3ea84

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

• image: gcr.io/agones-images/agones-controller:1.14.0-73cc966
• image: gcr.io/agones-images/agones-ping:1.14.0-73cc966
• Linux C++ SDK (build): agonessdk-1.14.0-73cc966-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.14.0-73cc966.zip

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

• https://73cc966-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/2048/head:pr_2048 && git checkout pr_2048
• helm install ./install/helm/agones --namespace agones-system --name agones --set agones.image.tag=1.14.0-73cc966

[roberthbailey]

/assign @pooneh-m

[google-oss-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: pooneh-m, roberthbailey

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