add location config to bigquery fastsync

[jmriego]

Problem

BigQuery in fastsync mode is ignoring the location project config and writing to the default location

Proposed changes

Change the open connection function call to use the location added in the target yml file

Types of changes

What types of changes does your code introduce to PipelineWise?
Put an x in the boxes that apply

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)

Checklist

• I have read the CONTRIBUTING doc
• Description above provides context of the change
• I have added tests that prove my fix is effective or that my feature works
• Unit tests for changes (not needed for documentation changes)
• CI checks pass with my changes
• Bumping version in setup.py is an individual PR and not mixed with feature or bugfix PRs
• Commit message/PR title starts with [AP-NNNN] (if applicable. AP-NNNN = JIRA ID)
• Branch name starts with AP-NNN (if applicable. AP-NNN = JIRA ID)
• Commits follow "How to write a good git commit message"
• Relevant documentation is updated including usage instructions

[jmriego]

@AlexStansfield this fixes #739
I'm still working on the unit tests but sending the MR as a WIP now in case this helps you

[AlexStansfield]

@jmriego thanks so much. Really appreciate you working on it so quickly

[jmriego]

sure thing! we use PipelineWise daily at work so happy to help :)