SNOW-1769605 Add timeout to cloud storage

[sfc-gh-pfus]

Description

SNOW-1769605 Added timeout configuration when calling cloud storage

Checklist

• Created tests which fail without the change (if possible)
• Extended the README / documentation, if necessary

[codecov]

Codecov Report

Attention: Patch coverage is 89.92806% with 14 lines in your changes missing coverage. Please review.

Project coverage is 82.22%. Comparing base (f8baf23) to head (eec0e2b).

Files with missing lines	Patch %	Lines
gcs_storage_client.go	85.71%	6 Missing ⚠️
file_transfer_agent.go	70.58%	5 Missing ⚠️
dsn.go	81.81%	2 Missing ⚠️
s3_storage_client.go	96.87%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1272      +/-   ##
==========================================
+ Coverage   82.20%   82.22%   +0.01%     
==========================================
  Files          55       55              
  Lines       13484    13529      +45     
==========================================
+ Hits        11085    11124      +39     
- Misses       2399     2405       +6     

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