add client_id_metadata_document_supported flag #474

Job	Run time
checks / readme-snippets	10s
checks / pre-commit	19s
checks / test (3.10, locked, ubuntu-latest)	45s
checks / test (3.10, locked, windows-latest)	2m 14s
checks / test (3.11, lowest-direct, windows-latest)	2m 51s
checks / test (3.11, lowest-direct, ubuntu-latest)	46s
checks / test (3.10, lowest-direct, windows-latest)	2m 38s
checks / test (3.10, lowest-direct, ubuntu-latest)	43s
checks / test (3.12, lowest-direct, ubuntu-latest)	51s
checks / test (3.11, locked, windows-latest)	2m 44s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 7s
checks / test (3.12, locked, windows-latest)	3m 22s
checks / test (3.12, locked, ubuntu-latest)	47s
checks / test (3.13, locked, windows-latest)	2m 24s
checks / test (3.12, lowest-direct, windows-latest)	3m 35s
checks / test (3.14, lowest-direct, windows-latest)	2m 18s
checks / test (3.13, lowest-direct, ubuntu-latest)	42s
checks / test (3.14, locked, ubuntu-latest)	2m 14s
checks / test (3.13, locked, ubuntu-latest)	44s
checks / test (3.13, lowest-direct, windows-latest)	2m 38s
checks / test (3.11, locked, ubuntu-latest)	38s
checks / test (3.14, locked, windows-latest)	3m 20s
all-green	4s
	37m 54s

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