Bump memchr from 2.6.3 to 2.6.4 #1922

Job	Run time
Check on ubuntu-22.04 against stable Rust	5m 34s
Check on macos-12 against nightly Rust	4m 54s
Build arm-mac binary (aarch64-apple-darwin)	12m 42s
Debug build arm-mac-dbg binary (aarch64-apple-darwin)	8m 11s
Build intel-mac binary (x86_64-apple-darwin)	14m 12s
Debug build intel-mac-dbg binary (x86_64-apple-darwin)	15m 1s
Build arm-linux binary (armv7-unknown-linux-gnueabihf)	7m 35s
Debug build arm-linux-dbg binary (armv7-unknown-linux-gnueabihf)	8m 12s
Build arm-linux-static binary (armv7-unknown-linux-musleabihf)	7m 19s
Debug build arm-linux-static-dbg binary (armv7-unknown-linux-musleabihf)	7m 50s
Build arm64-linux binary (aarch64-unknown-linux-gnu)	9m 5s
Debug build arm64-linux-dbg binary (aarch64-unknown-linux-gnu)	8m 30s
Build arm64-linux-static binary (aarch64-unknown-linux-musl)	9m 40s
Debug build arm64-linux-static-dbg binary (aarch64-unknown-linux-musl)	8m 4s
Build x86_64-linux binary (x86_64-unknown-linux-gnu)	7m 34s
Debug build x86_64-linux-dbg binary (x86_64-unknown-linux-gnu)	7m 16s
Build x86_64-linux-static binary (x86_64-unknown-linux-musl)	7m 44s
Debug build x86_64-linux-static-dbg binary (x86_64-unknown-linux-musl)	7m 25s
Build Docker images	0s
Release	0s
	2h 36m 48s

Provide feedback