In the use of ‘head’

Failed to parse /Users/runner/work/sandwich/sandwich/sandwich-contexts/test/Spec/NixContexts/PostgreSQL.hs: ParseFailed (SrcLoc "/Users/runner/work/sandwich/sandwich/sandwich-contexts/test/Spec/NixContexts/PostgreSQL.hs" 7 1) "Parse error: import"

Formula postgresql was renamed to postgresql@14.

libpq 16.4 is already installed and up-to-date. To reinstall 16.4, run: brew reinstall libpq