[chore] move from DialContext to NewClient

[sivchari]

Description

Use grpc.NewClient instead of grpc.DialContext

Link to tracking issue

Fixes #13632

Testing

Documentation

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.64%. Comparing base (b4ad338) to head (337927a).
⚠️ Report is 3 commits behind head on main.

❌ Your project check has failed because the head coverage (87.64%) is below the target coverage (90.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #13663      +/-   ##
==========================================
- Coverage   87.65%   87.64%   -0.02%     
==========================================
  Files         632      632              
  Lines       39697    39697              
==========================================
- Hits        34798    34794       -4     
- Misses       3654     3657       +3     
- Partials     1245     1246       +1     

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[songy23]

cc @evan-bradley

[evan-bradley]

I suspect the contrib test failures are due to the fact that NewClient doesn't initiate a connection unlike DialContext, we should be able to fix that somewhat easily.

@sivchari Can you confirm that this doesn't reintroduce #11537? If possible, a basic test would be nice.