feat(provider): LRUCache Layer #4388

Job	Run time
cfg-check	23s
clippy	37s
docs	56s
check no_std	24s
doctest	1m 8s
feature-checks	3m 32s
fmt	14s
test ubuntu-latest stable --no-default-features	1m 33s
wasm-unknown	48s
wasm-wasi	1m 15s
test ubuntu-latest stable	1m 21s
test ubuntu-latest stable --all-features	2m 14s
test ubuntu-latest nightly --no-default-features	1m 16s
test ubuntu-latest nightly	1m 7s
test ubuntu-latest nightly --all-features	1m 59s
test ubuntu-latest 1.79 --no-default-features	32s
test ubuntu-latest 1.79	45s
test windows-latest stable --no-default-features	4m 5s
test windows-latest stable	3m 49s
test windows-latest stable --all-features	5m 34s
test windows-latest nightly --no-default-features	2m 50s
test windows-latest nightly	3m 49s
test windows-latest nightly --all-features	5m 0s
test windows-latest 1.79 --no-default-features	2m 25s
test windows-latest 1.79	2m 2s
	49m 38s

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