fix: bigquery validations for partition column and type

[achettyiitr]

Description

• BQ validations for partition column and type.

Linear Ticket

• Resolves PIPE-1608

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

Attention: Patch coverage is 75.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 72.95%. Comparing base (f329d38) to head (caeb8ba).
Report is 2 commits behind head on release/1.35.x.

Files with missing lines	Patch %	Lines
warehouse/integrations/bigquery/bigquery.go	75.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@                Coverage Diff                 @@
##           release/1.35.x    #5168      +/-   ##
==================================================
+ Coverage           72.90%   72.95%   +0.04%     
==================================================
  Files                 439      439              
  Lines               51165    51172       +7     
==================================================
+ Hits                37304    37332      +28     
+ Misses              11405    11382      -23     
- Partials             2456     2458       +2     

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