Support Kubernetes 1.25 and update dependencies

[ysksuzuki]

What

Support Kubernetes 1.25.

How

Previous Pull Request:

• https://github.com/cybozu-go/coil/pull/211
• https://github.com/cybozu-go/coil/pull/214

Remove PSP. PSP is deprecated in k8s v1.21

Checklist

• [ ] Finish implentation of the issue
• [ ] Test all functions
• [ ] Have enough logs to trace activities
• [ ] Notify developers of necessary actions