Release v1.40.0

[Kalaiselvi84]

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:

Work on #3798

Special notes for your reviewer:

[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.

[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.

[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.

[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.

[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: 25922082-c835-47bb-a4e1-046bb13b776b

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:1.40.0-dev-0af0884-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-extensions:1.40.0-dev-0af0884-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-sdk:1.40.0-dev-0af0884-linux-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-ping:1.40.0-dev-0af0884-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-allocator:1.40.0-dev-0af0884-amd64
• Linux C++ SDK (build): agonessdk-1.40.0-dev-0af0884-amd64-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.40.0-dev-0af0884-amd64.zip

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

• https://0af0884-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/3799/head:pr_3799 && git checkout pr_3799
• helm install agones ./install/helm/agones --namespace agones-system --set agones.image.registry=us-docker.pkg.dev/agones-images/ci --set agones.image.tag=1.40.0-dev-0af0884-amd64