Make CacheConfig() the Client cache default and None the off switch (… #3626

Job	Run time
checks / pre-commit	50s
checks / docs	1m 4s
checks / readme-snippets	13s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 25s
checks / test (3.10, locked, windows-latest)	2m 0s
checks / test (3.11, lowest-direct, windows-latest)	1m 55s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 26s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 11s
checks / test (3.10, locked, ubuntu-latest)	1m 31s
checks / test (3.10, lowest-direct, windows-latest)	1m 35s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 20s
checks / test (3.12, lowest-direct, windows-latest)	2m 2s
checks / test (3.11, locked, windows-latest)	1m 58s
checks / test (3.12, locked, ubuntu-latest)	1m 27s
checks / test (3.11, locked, ubuntu-latest)	1m 24s
checks / test (3.14, lowest-direct, windows-latest)	1m 58s
checks / test (3.14, locked, ubuntu-latest)	1m 22s
checks / test (3.13, lowest-direct, windows-latest)	2m 7s
checks / test (3.13, locked, windows-latest)	1m 54s
checks / test (3.13, locked, ubuntu-latest)	1m 19s
checks / test (3.14, locked, windows-latest)	1m 51s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 17s
checks / test (3.12, locked, windows-latest)	1m 47s
all-green	2s
	34m 58s

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