Implement SEP-990 Enterprise Managed OAuth #834

Job	Run time
checks / pre-commit	22s
checks / readme-snippets	10s
checks / test (3.10, lowest-direct, windows-latest)	2m 23s
checks / test (3.10, locked, windows-latest)	2m 10s
checks / test (3.11, lowest-direct, ubuntu-latest)	50s
checks / test (3.10, locked, ubuntu-latest)	50s
checks / test (3.12, lowest-direct, windows-latest)	3m 21s
checks / test (3.13, locked, windows-latest)	2m 16s
checks / test (3.12, lowest-direct, ubuntu-latest)	56s
checks / test (3.13, lowest-direct, ubuntu-latest)	54s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 10s
checks / test (3.14, locked, ubuntu-latest)	2m 48s
checks / test (3.12, locked, ubuntu-latest)	56s
checks / test (3.13, lowest-direct, windows-latest)	2m 30s
checks / test (3.14, lowest-direct, windows-latest)	2m 21s
checks / test (3.11, lowest-direct, windows-latest)	2m 36s
checks / test (3.10, lowest-direct, ubuntu-latest)	52s
checks / test (3.12, locked, windows-latest)	3m 8s
checks / test (3.11, locked, windows-latest)	2m 49s
checks / test (3.13, locked, ubuntu-latest)	47s
checks / test (3.11, locked, ubuntu-latest)	49s
checks / test (3.14, locked, windows-latest)	3m 17s
all-green	5s
	38m 20s

Provide feedback