Updated readme with instruction to users to use an updated version of go version

[Dee-6777]

What type of PR is this?

documentation

What this PR does / Why we need it?

It instructs the user to use an updated go version so that there won't be any kube config files left after testing

Which Jira/Github issue(s) does this PR fix?

Resolves #OSD-17636

Pre-checks (if applicable)

• Ran unit tests locally
• Validated the changes in a cluster
• Included documentation changes with PR

[codecov-commenter]

Codecov Report

Merging #170 (df5fd45) into main (fd84937) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #170   +/-   ##
=======================================
  Coverage   49.59%   49.59%           
=======================================
  Files          51       51           
  Lines        3353     3353           
=======================================
  Hits         1663     1663           
  Misses       1411     1411           
  Partials      279      279           

[openshift-ci]

@Dee-6777: all tests passed!

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[bmeng]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: bmeng, Dee-6777

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