add client_id_metadata_document_supported flag #476

Job	Run time
checks / pre-commit	38s
checks / readme-snippets	10s
checks / test (3.10, locked, ubuntu-latest)	50s
checks / test (3.11, lowest-direct, ubuntu-latest)	50s
checks / test (3.10, lowest-direct, windows-latest)	2m 39s
checks / test (3.11, locked, ubuntu-latest)	48s
checks / test (3.12, lowest-direct, windows-latest)	3m 42s
checks / test (3.10, lowest-direct, ubuntu-latest)	55s
checks / test (3.10, locked, windows-latest)	2m 19s
checks / test (3.12, lowest-direct, ubuntu-latest)	56s
checks / test (3.11, lowest-direct, windows-latest)	2m 38s
checks / test (3.14, lowest-direct, windows-latest)	2m 58s
checks / test (3.11, locked, windows-latest)	2m 36s
checks / test (3.12, locked, windows-latest)	3m 35s
checks / test (3.14, locked, windows-latest)	3m 54s
checks / test (3.13, locked, ubuntu-latest)	48s
checks / test (3.13, locked, windows-latest)	2m 46s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 20s
checks / test (3.13, lowest-direct, ubuntu-latest)	52s
checks / test (3.14, locked, ubuntu-latest)	2m 9s
checks / test (3.12, locked, ubuntu-latest)	57s
checks / test (3.13, lowest-direct, windows-latest)	2m 37s
all-green	5s
	41m 2s

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