fix: match complete www-authenticate auth params #3538

Job	Run time
checks / readme-snippets	14s
checks / pre-commit	21s
checks / test (3.13, locked, windows-latest)	1m 47s
checks / test (3.14, lowest-direct, windows-latest)	1m 44s
checks / docs	1m 1s
checks / test (3.13, locked, ubuntu-latest)	1m 3s
checks / test (3.14, locked, ubuntu-latest)	1m 5s
checks / test (3.13, lowest-direct, windows-latest)	1m 56s
checks / test (3.10, locked, ubuntu-latest)	1m 12s
checks / test (3.12, locked, ubuntu-latest)	1m 26s
checks / test (3.14, locked, windows-latest)	1m 49s
checks / test (3.11, lowest-direct, windows-latest)	1m 46s
checks / test (3.11, lowest-direct, ubuntu-latest)	53s
checks / test (3.12, lowest-direct, windows-latest)	1m 26s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 1s
checks / test (3.10, locked, windows-latest)	1m 51s
checks / test (3.10, lowest-direct, windows-latest)	1m 49s
checks / test (3.11, locked, windows-latest)	1m 46s
checks / test (3.12, locked, windows-latest)	1m 47s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 5s
checks / test (3.11, locked, ubuntu-latest)	1m 11s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 9s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 2s
all-green	3s
	30m 27s

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