fix: match complete www-authenticate auth params #3416

Job	Run time
checks / pre-commit	40s
checks / docs	47s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 33s
checks / test (3.12, locked, ubuntu-latest)	1m 44s
checks / test (3.13, locked, ubuntu-latest)	1m 12s
checks / readme-snippets	12s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 27s
checks / test (3.11, locked, ubuntu-latest)	1m 26s
checks / test (3.14, locked, ubuntu-latest)	2m 27s
checks / test (3.12, lowest-direct, windows-latest)	1m 43s
checks / test (3.13, lowest-direct, windows-latest)	1m 57s
checks / test (3.14, locked, windows-latest)	3m 5s
checks / test (3.13, locked, windows-latest)	2m 9s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 16s
checks / test (3.12, locked, windows-latest)	1m 51s
checks / test (3.14, lowest-direct, windows-latest)	1m 57s
checks / test (3.10, locked, windows-latest)	1m 24s
checks / test (3.11, locked, windows-latest)	2m 0s
checks / test (3.10, locked, ubuntu-latest)	1m 28s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 30s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 33s
checks / test (3.11, lowest-direct, windows-latest)	2m 5s
checks / test (3.10, lowest-direct, windows-latest)	2m 7s
all-green	2s
	37m 35s

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