Use Ubuntu:22.04 base image and update dependencies

[petersutter]

What this PR does / why we need it:

• Use Ubuntu:22.04 base image
• Update dependencies:
  • nerdctl
  • kubectl
• Remove unmaintained ccat binary

Which issue(s) this PR fixes: Fixes #

Special notes for your reviewer:

Release note:

Updated base image to Ubuntu:22.04

Updated dependencies
- `kubectl` updated to `v1.24.3`
- `nerdctl` updated to `0.22.0`

Removed unmaintained https://github.com/jingweno/ccat dependency