Cherry-pick PR #398 to release-v1.3

[thunderboltsid]

Cherry-Pick Details

• Original PR Title: Switch Nutanix Client to use Session Auth instead of Basic Auth
• Original PR URL: Switch Nutanix Client to use Session Auth instead of Basic Auth #398
• Original Commit SHA: 03c61d3
• Cherry-Pick Reason: Cherry-picking changes related to session auth to release-v1.3 so when a user upgrades from 1.2.5 to 1.3.4, they don't fall back to basic auth

[github-actions]

✅ None of your dependencies violate policy!

[thunderboltsid]

/test e2e-k8s-conformance

[thunderboltsid]

/test e2e-k8s-upgrade

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 15.49%. Comparing base (98239ba) to head (33e1b0d).

Files	Patch %	Lines
pkg/client/client.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff                @@
##           release-v1.3     #431      +/-   ##
================================================
+ Coverage         15.44%   15.49%   +0.04%     
================================================
  Files                21       21              
  Lines              2104     2098       -6     
================================================
  Hits                325      325              
+ Misses             1779     1773       -6     

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[adiantum]

/lgtm
/approve

[nutanix-cn-prow-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: adiantum, thunderboltsid

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