Bump redis from 0.25.0 to 0.25.2 #837

Job	Run time
check	6m 4s
matrix	27s
test-client-check	3m 35s
test-client-matrix	37s
test-client-clippy	4m 11s
Build test client (x86_64-unknown-linux-musl)	6m 11s
Build test client (i686-unknown-linux-musl)	6m 25s
Build test client (armv7-unknown-linux-musleabihf)	6m 51s
Build test client (aarch64-unknown-linux-musl)	5m 25s
Build test client (x86_64-unknown-freebsd)	6m 33s
Build test client (.exe, x86_64-pc-windows-gnu)	5m 46s
clippy	8m 6s
Check MSRV	8m 19s
tests	14m 35s
build (x86_64-unknown-linux-musl)	13m 33s
build (i686-unknown-linux-musl)	14m 16s
build (armv7-unknown-linux-musleabihf)	13m 31s
build (aarch64-unknown-linux-musl)	13m 13s
build (x86_64-unknown-freebsd)	13m 30s
Package nightly release	24m 18s
	2h 55m 26s

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