fix: match complete www-authenticate auth params #3458

Job	Run time
checks / readme-snippets	15s
checks / pre-commit	37s
checks / docs	46s
checks / test (3.10, locked, windows-latest)	1m 56s
checks / test (3.13, locked, windows-latest)	1m 51s
checks / test (3.10, lowest-direct, windows-latest)	1m 51s
checks / test (3.11, locked, ubuntu-latest)	1m 8s
checks / test (3.12, locked, windows-latest)	1m 57s
checks / test (3.11, locked, windows-latest)	2m 7s
checks / test (3.14, lowest-direct, windows-latest)	1m 49s
checks / test (3.10, locked, ubuntu-latest)	1m 35s
checks / test (3.12, locked, ubuntu-latest)	1m 37s
checks / test (3.14, locked, ubuntu-latest)	1m 14s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 18s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 30s
checks / test (3.12, lowest-direct, windows-latest)	1m 49s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 28s
checks / test (3.13, locked, ubuntu-latest)	1m 18s
checks / test (3.11, lowest-direct, windows-latest)	2m 5s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 20s
checks / test (3.13, lowest-direct, windows-latest)	2m 0s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 15s
checks / test (3.14, locked, windows-latest)	1m 50s
all-green	3s
	34m 39s

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