Remove use of legacy codepath when establishing Postgres connections … #204

Job	Run time
code-coverage	2m 53s
api-breakage	4m 31s
linux-integration	4m 19s
gh-codeql (ubuntu-latest)	5m 27s
gh-codeql (macos-13)	7m 10s
macos-unit (~14.3)	2m 53s
macos-unit (15.0-beta)	2m 38s
linux-unit (postgres:15, swift:5.7-jammy)	3m 6s
linux-unit (postgres:15, swift:5.8-jammy)	3m 28s
linux-unit (postgres:15, swiftlang/swift:nightly-5.9-jammy)	3m 42s
linux-unit (postgres:15, swiftlang/swift:nightly-main-jammy)	3m 29s
linux-unit (postgres:13, swift:5.7-jammy)	2m 44s
linux-unit (postgres:13, swift:5.8-jammy)	3m 7s
linux-unit (postgres:13, swiftlang/swift:nightly-5.9-jammy)	3m 34s
linux-unit (postgres:13, swiftlang/swift:nightly-main-jammy)	4m 9s
linux-unit (postgres:11, swift:5.7-jammy)	2m 34s
linux-unit (postgres:11, swift:5.8-jammy)	3m 11s
linux-unit (postgres:11, swiftlang/swift:nightly-5.9-jammy)	4m 18s
linux-unit (postgres:11, swiftlang/swift:nightly-main-jammy)	3m 53s
	1h 11m 6s

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