Upgrade CRD api to v1 from v1beta1 in crd.go

[viveksinghggits]

Change Overview

In one of the previous PRs we upgrade the API versions for CRD while creating them. In this PR we are changing rest of the code to use v1 CRD APIs instead of v1beta1.

Pull request type

Please check the type of change your PR introduces:

• 🐹 Trivial/Minor

Issues

• #XXX

Test Plan

• ⚡ Unit test

 go test -check.f "CRDSuite"
OK: 1 passed
PASS
ok  	github.com/kanisterio/kanister/pkg/discovery	6.404s