blobstore: onboard retry config in the client

[sandeepvinayak]

Summary

Some conventions to follow

1. add the module name as a prefix

• for example: if your change is for blob store, add a prefix: docstore: for document store module, blobstore for Blob Store module

2. for a test only PR, add test:
3. for a perf improvement only PR, add perf:

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 78.16%. Comparing base (581005b) to head (9809d8b).

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #113      +/-   ##
============================================
- Coverage     78.19%   78.16%   -0.04%     
+ Complexity     1730     1729       -1     
============================================
  Files           136      137       +1     
  Lines          7036     7039       +3     
  Branches        801      801              
============================================
  Hits           5502     5502              
- Misses         1112     1113       +1     
- Partials        422      424       +2     

Flag	Coverage Δ
unittests	78.16% <100.00%> (-0.04%)	⬇️

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