Add client_id_metadata_document_supported to OAuthMetadata (#1603) #479

Job	Run time
checks / pre-commit	30s
checks / readme-snippets	14s
checks / test (3.11, lowest-direct, ubuntu-latest)	41s
checks / test (3.10, highest, ubuntu-latest)	39s
checks / test (3.12, lowest-direct, windows-latest)	3m 0s
checks / test (3.10, lowest-direct, ubuntu-latest)	40s
checks / test (3.11, lowest-direct, windows-latest)	2m 10s
checks / test (3.11, highest, windows-latest)	2m 4s
checks / test (3.13, highest, ubuntu-latest)	39s
checks / test (3.13, lowest-direct, windows-latest)	2m 24s
checks / test (3.11, highest, ubuntu-latest)	38s
checks / test (3.12, highest, ubuntu-latest)	45s
checks / test (3.10, lowest-direct, windows-latest)	2m 3s
checks / test (3.12, highest, windows-latest)	2m 47s
checks / test (3.12, lowest-direct, ubuntu-latest)	44s
checks / test (3.13, highest, windows-latest)	2m 33s
checks / test (3.10, highest, windows-latest)	1m 52s
checks / test (3.13, lowest-direct, ubuntu-latest)	44s
	25m 7s

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