Implement SEP-990 Enterprise Managed OAuth #432

Job	Run time
checks / pre-commit	29s
checks / readme-snippets	11s
checks / test (3.11, lowest-direct, windows-latest)	2m 49s
checks / test (3.11, locked, ubuntu-latest)	53s
checks / test (3.12, locked, ubuntu-latest)	54s
checks / test (3.12, lowest-direct, windows-latest)	3m 43s
checks / test (3.11, lowest-direct, ubuntu-latest)	56s
checks / test (3.10, lowest-direct, windows-latest)	2m 45s
checks / test (3.10, locked, windows-latest)	3m 12s
checks / test (3.14, locked, windows-latest)	4m 21s
checks / test (3.13, locked, windows-latest)	2m 36s
checks / test (3.10, lowest-direct, ubuntu-latest)	59s
checks / test (3.12, lowest-direct, ubuntu-latest)	59s
checks / test (3.12, locked, windows-latest)	3m 20s
checks / test (3.11, locked, windows-latest)	2m 34s
checks / test (3.13, lowest-direct, windows-latest)	2m 45s
checks / test (3.13, locked, ubuntu-latest)	46s
checks / test (3.14, locked, ubuntu-latest)	2m 33s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 21s
checks / test (3.14, lowest-direct, windows-latest)	2m 33s
checks / test (3.13, lowest-direct, ubuntu-latest)	56s
checks / test (3.10, locked, ubuntu-latest)	50s
all-green	5s
	42m 30s

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