Update dependcies and update go to 1.21

[troy0820]

What does this change

Update dependencies to a newer version of kubernetes. This change brought in the need to update go to 1.21 which should be okay being that go 1.22 came out.

• Update k8s dependencies
• Update go to 1.21

What issue does it fix

N/A

Notes for the reviewer

Put any questions or notes for the reviewer here.

Checklist

• Did you write tests?
• Did you write documentation?
• Did you change porter.yaml or a storage document record? Update the corresponding schema file.
• If this is your first pull request, please add your name to the bottom of our Contributors list. Thank you for making Porter better! 🙇‍♀️

Reviewer Checklist

• Comment with /azp run test-porter-release if a magefile or build script was modified
• Comment with /azp run porter-integration if it's a non-trivial PR

[schristoff]

looks all green, all good to merge?

[troy0820]

Let me check the integration tests, they are not showing up for some reason

[schristoff]

Do we need the comment for integ now? 😮‍💨 This workflow is so finnicky lately

[Invalid workflow file: .github/workflows/porter-integration-pr.yml#L14](https://github.com/getporter/porter/actions/runs/7908560634/workflow)
The workflow is not valid. .github/workflows/porter-integration-pr.yml (Line: 14, Col: 11): Input registry is required, but not provided while calling.

[schristoff]

Thank you for doing this!