Implement SSPI authentication #537

Job	Run time	Billable time
test-postgres (9.5)	4m 4s	0s
test-platforms (3.8, ubuntu-latest, asyncio)	3m 21s	0s
test-platforms (3.8, ubuntu-latest, uvloop)	3m 12s	0s
test-postgres (9.6)	3m 46s	0s
test-platforms (3.8, macos-latest, asyncio)	2m 47s	0s
test-postgres (10)	3m 38s	0s
test-postgres (11)	4m 1s	0s
test-platforms (3.8, macos-latest, uvloop)	2m 40s	0s
test-platforms (3.8, windows-latest, asyncio)	5m 7s	0s
test-postgres (12)	4m 13s	0s
test-platforms (3.9, ubuntu-latest, asyncio)	3m 16s	0s
test-postgres (13)	3m 42s	0s
test-platforms (3.9, ubuntu-latest, uvloop)	3m 9s	0s
test-postgres (14)	3m 37s	0s
test-platforms (3.9, macos-latest, asyncio)	2m 45s	0s
test-postgres (15)	4m 24s	0s
test-platforms (3.9, macos-latest, uvloop)	3m 37s	0s
test-postgres (16)	3m 38s	0s
test-platforms (3.9, windows-latest, asyncio)	4m 38s	0s
test-platforms (3.10, ubuntu-latest, asyncio)	3m 6s	0s
test-platforms (3.10, ubuntu-latest, uvloop)	3m 6s	0s
test-platforms (3.10, macos-latest, asyncio)	2m 33s	0s
test-platforms (3.10, macos-latest, uvloop)	2m 37s	0s
test-platforms (3.10, windows-latest, asyncio)	5m 33s	0s
test-platforms (3.11, ubuntu-latest, asyncio)	3m 7s	0s
test-platforms (3.11, ubuntu-latest, uvloop)	3m 8s	0s
test-platforms (3.11, macos-latest, asyncio)	3m 35s	0s
test-platforms (3.11, macos-latest, uvloop)	3m 9s	0s
test-platforms (3.11, windows-latest, asyncio)	5m 28s	0s
test-platforms (3.12, ubuntu-latest, asyncio)	3m 13s	0s
test-platforms (3.12, macos-latest, asyncio)	2m 58s	0s
test-platforms (3.12, windows-latest, asyncio)	5m 39s	0s
Regression Tests	1s	0s
	1h 56m 48s	0s

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