golang upgrade 1.26

[indurireddy-TF]

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 #4481

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.

[agones-bot]

Build Failed 😭

Build Id: c9b551b3-328b-4c49-aab2-65b4ca880cfb

Status: FAILURE

• Cloud Build view
• Cloud Build log download

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[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: 7b37aa9b-8543-4a60-bc5c-6741bc968e8c

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-6543592
• image: us-docker.pkg.dev/agones-images/ci/agones-extensions:1.57.0-dev-6543592
• image: us-docker.pkg.dev/agones-images/ci/agones-sdk:1.57.0-dev-6543592-linux
• image: us-docker.pkg.dev/agones-images/ci/agones-ping:1.57.0-dev-6543592
• image: us-docker.pkg.dev/agones-images/ci/agones-allocator:1.57.0-dev-6543592
• image: us-docker.pkg.dev/agones-images/ci/agones-processor:1.57.0-dev-6543592
• Linux C++ SDK (build): agonessdk-1.57.0-dev-6543592-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.57.0-dev-6543592.zip

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

• https://6543592-dot-preview-dot-agones-images.appspot.com/

To install this version:

git fetch https://github.com/googleforgames/agones.git pull/4497/head:pr_4497 && git checkout pr_4497
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-6543592

[igooch]

Could you make sure that this PR also resolves the dependencies that were opened by dependabot? https://github.com/agones-dev/agones/issues?q=is%3Apr+is%3Aopen+author%3Aapp%2Fdependabot

We may need to add a step in the issue for this since it's not currently a part of the workflow.