Preparation for Release v1.45.0

[0xaravindh]

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:

Which issue(s) this PR fixes:

Closes #4012

Special notes for your reviewer:

[agones-bot]

Build Succeeded 🥳

Build Id: 3b0a0b6f-1443-4c11-a901-cdb00bccfa85

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:1.45.0-dev-bb8a410
• image: us-docker.pkg.dev/agones-images/ci/agones-extensions:1.45.0-dev-bb8a410
• image: us-docker.pkg.dev/agones-images/ci/agones-sdk:1.45.0-dev-bb8a410-linux
• image: us-docker.pkg.dev/agones-images/ci/agones-ping:1.45.0-dev-bb8a410
• image: us-docker.pkg.dev/agones-images/ci/agones-allocator:1.45.0-dev-bb8a410
• Linux C++ SDK (build): agonessdk-1.45.0-dev-bb8a410-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.45.0-dev-bb8a410.zip

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

• https://bb8a410-dot-preview-dot-agones-images.appspot.com/

To install this version:

git fetch https://github.com/googleforgames/agones.git pull/4014/head:pr_4014 && git checkout pr_4014
helm install agones ./install/helm/agones --namespace agones-system --set agones.image.registry=us-docker.pkg.dev/agones-images/ci --set agones.image.tag=1.45.0-dev-bb8a410