rename sink to destination

[imor]

Rename sink to destination everywhere except in the db, api and config for backward compatibility reasons. The terms sink and destination should be used interchangeably while reading the code. Any new uses of the term sink is banned in new code, except when fixing any bugs in db, api or config layers. For consistency the remaining locations in db, api and config will also be renamed to destination but those need to be done carefully to avoid breaking backward compatibility.

[coveralls]

Pull Request Test Coverage Report for Build 15248570307

Details

• 25 of 30 (83.33%) changed or added relevant lines in 3 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.04%) to 54.438%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
supabase_etl/src/clients/bigquery.rs	0	1	0.0%
supabase_etl/src/pipeline/destinations/bigquery.rs	0	4	0.0%

Totals
Change from base Build 15247700543:	0.04%
Covered Lines:	3533
Relevant Lines:	6490

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💛 - Coveralls