Update deployments extension to AppsV1Api

[limx0]

Summary

Fixes #3636

Changes

This PR updates the kubernetes tasks & utilities for deployments to AppsV1Api, which is required for newer cluster versions of kubernetes.

Importance

Refer #3636

Checklist

This PR:

• adds new tests (if appropriate)
• adds a change file in the changes/ directory (if appropriate)
• updates docstrings for any new functions or function arguments, including docs/outline.toml for API reference docs (if appropriate)

[codecov]

Codecov Report

Merging #3637 (110d070) into master (4c764dd) will increase coverage by 0.02%.
The diff coverage is 100.00%.

[joshmeek]

Thanks @limx0 do you think you could add a /changes update for this?

Also adding that this closes #3195

[limx0]

Certainly!