build(deps): update dependency @azure/msal-node to v3.8.6

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@azure/msal-node	3.6.3 → 3.8.6

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 4.90%. Comparing base (3363e1d) to head (ea230f8).

Additional details and impacted files

@@          Coverage Diff           @@
##           master    #376   +/-   ##
======================================
  Coverage    4.90%   4.90%           
======================================
  Files           1       1           
  Lines         163     163           
======================================
  Hits            8       8           
  Misses        155     155           

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