feat: implement snowpipe destination config validation

[shekhar-rudder]

Description

Context

Implementation

• Made changes in StepsToValidate method to return relevant steps for Snowpipe destination
• Moved DestinationValidationResponse struct from internal/model package to validations package so that it can be accessed in snowpipestreaming package
• Added a validator field in snowpipe's Manager struct which is responsible for validating the destination config
• Made changes in Upload function to call the validator whenever there is an authorization error. And if the response is not successful, the error is being returned.

Security

• The code changed/added as part of this pull request won't create any security issues with how the software is being used.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.90%. Comparing base (e0b64f8) to head (672a444).
Report is 4 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #5472   +/-   ##
=======================================
  Coverage   74.89%   74.90%           
=======================================
  Files         458      458           
  Lines       63268    63266    -2     
=======================================
+ Hits        47385    47388    +3     
+ Misses      13229    13226    -3     
+ Partials     2654     2652    -2     

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