Don't require azure modules to be installed

[nvoxland-al]

🚀 🚀 Pull Request

Impact

• Bug fix (non-breaking change which fixes expected existing functionality)
• Enhancement/New feature (adds functionality without impacting existing logic)
• Breaking change (fix or feature that would cause existing functionality to change)

Description

3.8.26 incorrectly assumed azure is installed. It is only available with pip install deeplake[azure]

This PR makes the import only happen on functionality use

[codecov]

Codecov Report

Attention: Patch coverage is 57.14286% with 3 lines in your changes are missing coverage. Please review.

Project coverage is 83.89%. Comparing base (c72b445) to head (ae9bc00).
Report is 1 commits behind head on main.

Files	Patch %	Lines
deeplake/client/auth/azure.py	57.14%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2803      +/-   ##
==========================================
- Coverage   84.47%   83.89%   -0.59%     
==========================================
  Files         235      235              
  Lines       26527    26533       +6     
==========================================
- Hits        22409    22260     -149     
- Misses       4118     4273     +155     

Flag	Coverage Δ
unittests	83.89% <57.14%> (-0.59%)	⬇️

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[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
57.1% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud