Implement SSPI authentication #536

Job	Run time	Billable time
test-postgres (9.5)	4m 15s	0s
test-platforms (3.8, ubuntu-latest, asyncio)	3m 40s	0s
test-postgres (9.6)	4m 15s	0s
test-platforms (3.8, ubuntu-latest, uvloop)	3m 18s	0s
test-postgres (10)	4m 17s	0s
test-platforms (3.8, macos-latest, asyncio)	2m 43s	0s
test-postgres (11)	4m 19s	0s
test-platforms (3.8, macos-latest, uvloop)	2m 38s	0s
test-postgres (12)	3m 51s	0s
test-platforms (3.8, windows-latest, asyncio)	6m 2s	0s
test-postgres (13)	4m 12s	0s
test-postgres (14)	4m 8s	0s
test-platforms (3.9, ubuntu-latest, asyncio)	3m 39s	0s
test-postgres (15)	4m 3s	0s
test-platforms (3.9, ubuntu-latest, uvloop)	3m 25s	0s
test-postgres (16)	3m 43s	0s
test-platforms (3.9, macos-latest, asyncio)	3m 54s	0s
test-platforms (3.9, macos-latest, uvloop)	2m 38s	0s
test-platforms (3.9, windows-latest, asyncio)	5m 37s	0s
test-platforms (3.10, ubuntu-latest, asyncio)	3m 45s	0s
test-platforms (3.10, ubuntu-latest, uvloop)	3m 7s	0s
test-platforms (3.10, macos-latest, asyncio)	2m 37s	0s
test-platforms (3.10, macos-latest, uvloop)	3m 6s	0s
test-platforms (3.10, windows-latest, asyncio)	5m 38s	0s
test-platforms (3.11, ubuntu-latest, asyncio)	3m 16s	0s
test-platforms (3.11, ubuntu-latest, uvloop)	3m 22s	0s
test-platforms (3.11, macos-latest, asyncio)	3m 10s	0s
test-platforms (3.11, macos-latest, uvloop)	2m 50s	0s
test-platforms (3.11, windows-latest, asyncio)	5m 14s	0s
test-platforms (3.12, ubuntu-latest, asyncio)	3m 23s	0s
test-platforms (3.12, macos-latest, asyncio)	2m 59s	0s
test-platforms (3.12, windows-latest, asyncio)	5m 42s	0s
Regression Tests	0s	0s
	2h 2m 46s	0s

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