Upgrade Go to 1.23.4 and update example image tags

[0xaravindh]

What type of PR is this?

/kind cleanup

What this PR does / Why we need it:

Which issue(s) this PR fixes:

Closes #4069

Special notes for your reviewer:

[agones-bot]

Build Succeeded 🥳

Build Id: bcf2d3d6-b79b-4a78-b6c3-a7325f1ecc71

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:1.46.0-dev-91ff26a
• image: us-docker.pkg.dev/agones-images/ci/agones-extensions:1.46.0-dev-91ff26a
• image: us-docker.pkg.dev/agones-images/ci/agones-sdk:1.46.0-dev-91ff26a-linux
• image: us-docker.pkg.dev/agones-images/ci/agones-ping:1.46.0-dev-91ff26a
• image: us-docker.pkg.dev/agones-images/ci/agones-allocator:1.46.0-dev-91ff26a
• Linux C++ SDK (build): agonessdk-1.46.0-dev-91ff26a-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.46.0-dev-91ff26a.zip

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

• https://91ff26a-dot-preview-dot-agones-images.appspot.com/

To install this version:

git fetch https://github.com/googleforgames/agones.git pull/4072/head:pr_4072 && git checkout pr_4072
helm install agones ./install/helm/agones --namespace agones-system --set agones.image.registry=us-docker.pkg.dev/agones-images/ci --set agones.image.tag=1.46.0-dev-91ff26a