Update log level to warning for errors within retry block

[sandyydk]

Closes #561
Closes #554

[sandyydk]

This fixes the issue
#561

@jeevatkm

[jeevatkm]

@sandyydk Thanks for your PR and contribution. I'm sorry for the delayed attention on the PR.
Can you resolve the code conflicts?

[sandyydk]

Sure will update this. Thanks for the response.

[jeevatkm]

@sandyydk Just wanted to check. Are you planning to update this PR? if not let me know, I will take it up and prepare for next release.

[sandyydk]

@sandyydk Just wanted to check. Are you planning to update this PR? if not let me know, I will take it up and prepare for next release.

@jeevatkm Sorry for the delayed response. Resolved the conflicts. Can you take a look now? Thanks.

[jeevatkm]

@sandyydk Thanks for you PR, appreciated.

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.05% ⚠️

Comparison is base (15cedd4) 95.73% compared to head (8e34ee4) 95.68%.
Report is 10 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #587      +/-   ##
==========================================
- Coverage   95.73%   95.68%   -0.05%     
==========================================
  Files          11       11              
  Lines        1571     1600      +29     
==========================================
+ Hits         1504     1531      +27     
  Misses         41       41              
- Partials       26       28       +2     

Files Changed	Coverage Δ
request.go	95.28% <100.00%> (+0.13%)	⬆️

... and 2 files with indirect coverage changes

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