EVEREST-574 Install Everest into Kubernetes cluster during the provisioning

[gen1us2k]

CHANGE DESCRIPTION

Problem:

• EVEREST-574
• EVEREST-425 [CLI] Decouple adding Backup storage during the Everest installation

Short explanation of the problem.

Dropped backup storage creation from the CLI and implemented k8s native installation using the CLI

Related pull requests

• https://github.com/percona/percona-everest-backend/pull/277

Cause: Short explanation of the root cause of the issue if applicable.

Solution: Short explanation of the solution we are providing with this PR.

CHECKLIST

Jira

• [x] Is the Jira ticket created and referenced properly?

Tests

• [x] Is an Integration test/test case added for the new feature/change?
• [x] Are unit tests added where appropriate?

[codecov-commenter]

Codecov Report

Merging #197 (add1f06) into main (72efab7) will increase coverage by 0.35%. Report is 4 commits behind head on main. The diff coverage is 0.00%.

@@           Coverage Diff            @@
##            main    #197      +/-   ##
========================================
+ Coverage   5.02%   5.38%   +0.35%     
========================================
  Files         13      13              
  Lines       3005    2805     -200     
========================================
  Hits         151     151              
+ Misses      2827    2627     -200     
  Partials      27      27              

Files	Coverage Δ
pkg/version/version.go	24.13% <0.00%> (-7.69%)	:arrow_down:
...kg/kubernetes/client/mock_kube_client_connector.go	0.00% <0.00%> (ø)
pkg/kubernetes/kubernetes.go	15.37% <0.00%> (+0.16%)	:arrow_up:
pkg/kubernetes/client/client.go	3.11% <0.00%> (-0.20%)	:arrow_down:
pkg/install/operators.go	7.98% <0.00%> (+3.37%)	:arrow_up:

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