docs: fix simple-auth README references to non-existent scripts (#1829) #549

Job	Run time
checks / pre-commit	35s
checks / readme-snippets	10s
checks / test (3.10, lowest-direct, ubuntu-latest)	45s
checks / test (3.12, lowest-direct, ubuntu-latest)	51s
checks / test (3.10, lowest-direct, windows-latest)	2m 9s
checks / test (3.11, lowest-direct, windows-latest)	2m 23s
checks / test (3.10, highest, windows-latest)	2m 22s
checks / test (3.11, highest, ubuntu-latest)	48s
checks / test (3.13, highest, windows-latest)	2m 18s
checks / test (3.12, lowest-direct, windows-latest)	3m 17s
checks / test (3.13, lowest-direct, windows-latest)	2m 26s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 10s
checks / test (3.14, lowest-direct, windows-latest)	2m 15s
checks / test (3.11, lowest-direct, ubuntu-latest)	47s
checks / test (3.13, highest, ubuntu-latest)	48s
checks / test (3.13, lowest-direct, ubuntu-latest)	41s
checks / test (3.14, highest, ubuntu-latest)	1m 12s
checks / test (3.14, highest, windows-latest)	2m 15s
checks / test (3.12, highest, windows-latest)	3m 15s
checks / test (3.12, highest, ubuntu-latest)	54s
checks / test (3.10, highest, ubuntu-latest)	51s
checks / test (3.11, highest, windows-latest)	2m 34s
	34m 46s

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