Make CacheConfig() the Client cache default and None the off switch #3625

Job	Run time
checks / docs	1m 1s
checks / readme-snippets	13s
checks / pre-commit	57s
checks / test (3.11, lowest-direct, windows-latest)	1m 52s
checks / test (3.10, lowest-direct, windows-latest)	1m 52s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 29s
checks / test (3.11, locked, ubuntu-latest)	1m 25s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 18s
checks / test (3.13, lowest-direct, windows-latest)	2m 4s
checks / test (3.13, locked, windows-latest)	1m 59s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 19s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 24s
checks / test (3.12, locked, windows-latest)	1m 51s
checks / test (3.13, locked, ubuntu-latest)	1m 16s
checks / test (3.11, locked, windows-latest)	1m 54s
checks / test (3.10, locked, windows-latest)	2m 10s
checks / test (3.12, locked, ubuntu-latest)	1m 36s
checks / test (3.12, lowest-direct, windows-latest)	1m 42s
checks / test (3.10, locked, ubuntu-latest)	1m 33s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 22s
checks / test (3.14, locked, ubuntu-latest)	1m 24s
checks / test (3.14, locked, windows-latest)	1m 57s
checks / test (3.14, lowest-direct, windows-latest)	2m 47s
all-green	3s
	36m 28s

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