Update links from googleforgames to agones-dev

[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
/kind release

What this PR does / Why we need it:

• Updated across all release notes and documentation.
• Also bumped app engine to go124, since that's good until 2028

Which issue(s) this PR fixes:

Unblocks CI 🤞🏻

Work on #4421

Special notes for your reviewer:

Not sure what may fail in CI.

[github-actions]

This PR exceeds the recommended size of 1000 lines. Please make sure you are NOT addressing multiple issues with one PR. Note this PR might be rejected due to its size.

[lacroixthomas]

Should we also update it on the kubectl commands while we are it ? There is 42 matches if we want to update them too
https://github.com/agones-dev/agones/blob/main/site/content/en/docs/Getting%20Started/create-webhook-fleetautoscaler.md#1-deploy-the-fleet

Or maybe not actually, if it's just for the pipeline it won't be needed 😄

[lacroixthomas]

Otherwise LGTM

[markmandel]

Should we also update it on the kubectl commands while we are it ? There is 42 matches if we want to update them too https://github.com/agones-dev/agones/blob/main/site/content/en/docs/Getting%20Started/create-webhook-fleetautoscaler.md#1-deploy-the-fleet

Or maybe not actually, if it's just for the pipeline it won't be needed 😄

We should definitely do that too - let's get this through, and we can do that as well.

[markmandel]

There's a distinct possibility the link checker will fail on https://raw.githubusercontent.com/googleforgames/agones links though. We'll see.

[agones-bot]

Build Failed 😭

Build Id: 52e5a357-4a99-4464-81bc-02bcdea81320

Status: FAILURE

• Cloud Build view
• Cloud Build log download

To get permission to view the Cloud Build view, join the agones-discuss Google Group.

[markmandel]

site/docs/third-party-content/examples/index.html
  Non-OK status: 404 --- site/docs/third-party-content/examples/index.html --> https://github.com/agones-dev/quilkin/tree/main/examples
  Non-OK status: 404 --- site/docs/third-party-content/examples/index.html --> https://github.com/agones-dev/quilkin/tree/main/examples/agones-xonotic-sidecar
  Non-OK status: 404 --- site/docs/third-party-content/examples/index.html --> https://github.com/agones-dev/quilkin/tree/main/examples/agones-xonotic-xds
site/docs/guides/best-practices/index.html
  Non-OK status: 404 --- site/docs/guides/best-practices/index.html --> https://github.com/agones-dev/global-multiplayer-demo
site/docs/examples/index.html
  Non-OK status: 404 --- site/docs/examples/index.html --> https://github.com/agones-dev/space-agon
  Non-OK status: 404 --- site/docs/examples/index.html --> https://github.com/agones-dev/global-multiplayer-demo
site/docs/examples/simple-genai-gameserver/index.html
  Non-OK status: 404 --- site/docs/examples/simple-genai-gameserver/index.html --> https://github.com/agones-dev/GenAI-quickstart
  Non-OK status: 404 --- site/docs/examples/simple-genai-gameserver/index.html --> https://github.com/agones-dev/GenAI-quickstart/tree/main/genai/api/npc_chat_api
site/docs/advanced/multi-cluster-allocation/index.html
  Non-OK status: 404 --- site/docs/advanced/multi-cluster-allocation/index.html --> https://github.com/agones-dev/global-multiplayer-demo

whooops! That's legit!

[github-actions]

This PR exceeds the recommended size of 1000 lines. Please make sure you are NOT addressing multiple issues with one PR. Note this PR might be rejected due to its size.

[agones-bot]

Build Succeeded 🥳

Build Id: a50de37f-c5de-41d4-9941-9259d3105dd2

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:1.57.0-dev-b932800
• image: us-docker.pkg.dev/agones-images/ci/agones-extensions:1.57.0-dev-b932800
• image: us-docker.pkg.dev/agones-images/ci/agones-sdk:1.57.0-dev-b932800-linux
• image: us-docker.pkg.dev/agones-images/ci/agones-ping:1.57.0-dev-b932800
• image: us-docker.pkg.dev/agones-images/ci/agones-allocator:1.57.0-dev-b932800
• image: us-docker.pkg.dev/agones-images/ci/agones-processor:1.57.0-dev-b932800
• Linux C++ SDK (build): agonessdk-1.57.0-dev-b932800-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.57.0-dev-b932800.zip

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

• https://b932800-dot-preview-dot-agones-images.appspot.com/

To install this version:

git fetch https://github.com/googleforgames/agones.git pull/4475/head:pr_4475 && git checkout pr_4475
helm install agones ./install/helm/agones --namespace agones-system --set agones.image.registry=us-docker.pkg.dev/agones-images/ci --set agones.image.tag=1.57.0-dev-b932800

[markmandel]