Support certificate-based authentication for Azure

[ywk253100]

Support certificate-based authentication for Azure

Fixes #6735

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[codecov]

Codecov Report

Attention: Patch coverage is 60.00000% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 61.68%. Comparing base (6ec1701) to head (4c95edd).
Report is 6 commits behind head on main.

Files	Patch %	Lines
pkg/util/azure/credential.go	60.00%	3 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7549      +/-   ##
==========================================
+ Coverage   61.65%   61.68%   +0.03%     
==========================================
  Files         263      263              
  Lines       28680    28829     +149     
==========================================
+ Hits        17682    17784     +102     
- Misses       9753     9787      +34     
- Partials     1245     1258      +13     

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[anshulahuja98]

PR LGTM
We can perhaps add docs example when we take these changes to azure plugin for consumption.