Adding IPVersion to load balancer frontend config

[rna-afk]

Adding a version option for the users to create dualstack frontend configurations in the load balancer.

What type of PR is this?

What this PR does / why we need it:
Adds a version option in the load balancer frontend IP configs for the users to install IPv6 IPs too.
Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):

Special notes for your reviewer:

TODOs:

• squashed commits
• includes documentation
• adds unit tests
• cherry-pick candidate

Release note:

Adding a version option for the users to create dualstack frontend configurations in the load balancer. This allows the users to create IPv6 IPs or dualstack options.

[k8s-ci-robot]

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[k8s-ci-robot]

Hi @rna-afk. Thanks for your PR.

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[codecov]

Codecov Report

❌ Patch coverage is 77.77778% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 43.69%. Comparing base (8a787c7) to head (5d188f5).

Files with missing lines	Patch %	Lines
azure/scope/cluster.go	60.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6181      +/-   ##
==========================================
+ Coverage   43.67%   43.69%   +0.02%     
==========================================
  Files         289      289              
  Lines       25495    25499       +4     
==========================================
+ Hits        11134    11142       +8     
+ Misses      13559    13555       -4     
  Partials      802      802              

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