Add support for credentials file

[ramya18101]

🔧 Changes

Add support to use tenant credentials details from the local file with the command : auth0 login --profile <tenant-profile

📚 References

https://github.com/auth0/auth0-cli/issues/1234

🔬 Testing

📝 Checklist

• [ ] All new/changed/fixed functionality is covered by tests (or N/A)
• [x] I have added documentation for all new/changed functionality (or N/A)

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 20.40816% with 39 lines in your changes missing coverage. Please review.

Project coverage is 65.38%. Comparing base (3f49393) to head (9702c68). Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/cli/login.go	20.40%	34 Missing and 5 partials :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1246      +/-   ##
==========================================
- Coverage   65.50%   65.38%   -0.12%     
==========================================
  Files         108      108              
  Lines       16351    16390      +39     
==========================================
+ Hits        10711    10717       +6     
- Misses       4995     5025      +30     
- Partials      645      648       +3     

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