feat: Add possibility to configure key prefix (Redis, MemCached) #3481

Job	Run time
build sccache x86_64-unknown-linux-musl	5m 47s
build sccache-dist x86_64-unknown-linux-musl	4m 27s
check_features (azure)	55s
build sccache aarch64-unknown-linux-musl	6m 8s
coverage ubuntu-20.04 rust nightly	5m 20s
check_features (gcs)	57s
coverage macOS-11 rust nightly	10m 42s
build sccache armv7-unknown-linux-musleabi	6m 22s
check_features (gha)	55s
build sccache i686-unknown-linux-musl	6m 14s
check_features (memcached)	54s
build sccache x86_64-apple-darwin	13m 52s
clippy ubuntu-latest	1m 24s
check_features (redis)	56s
build sccache aarch64-apple-darwin	5m 53s
clippy macOS-latest	2m 41s
build sccache x86_64-pc-windows-msvc	15m 8s
check_features (s3)	52s
clippy windows-latest	2m 53s
check_features (webdav)	1m 7s
rustfmt ubuntu-latest	10s
test ubuntu-20.04 rust 1.70.0	3m 7s
test freebsd-13.2 rust stable (ubuntu-22.04)	8m 48s
toml_format	10s
test ubuntu-22.04 rust 1.70.0 dist-server	3m 21s
test ubuntu-20.04 rust stable	3m 8s
test ubuntu-20.04 rust beta	2m 36s
test ubuntu-20.04 rust nightly	2m 42s
test ubuntu-22.04 rust stable	2m 46s
test macOS-11 rust stable	5m 19s
test macos-14 rust stable	2m 17s
test windows-2019 rust 1.70.0	4m 49s
test windows-2019 rust nightly	4m 35s
test windows-2019 rust beta	4m 35s
release	0s
	2h 21m 50s

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