Bump rstest from 0.17.0 to 0.18.0 #611

Job	Run time
Binary x86_64-unknown-linux-musl (on ubuntu-latest)	3m 42s
Binary x86_64-unknown-linux-gnu (on ubuntu-latest)	3m 53s
Binary aarch64-unknown-linux-musl (on ubuntu-latest)	3m 34s
Binary aarch64-unknown-linux-gnu (on ubuntu-latest)	4m 5s
Binary armv7-unknown-linux-musleabihf (on ubuntu-latest)	4m 33s
Binary armv7-unknown-linux-gnueabihf (on ubuntu-latest)	4m 29s
Binary arm-unknown-linux-musleabihf (on ubuntu-latest)	3m 46s
Binary mips-unknown-linux-musl (on ubuntu-latest)	3m 45s
Binary mipsel-unknown-linux-musl (on ubuntu-latest)	3m 23s
Binary mips64-unknown-linux-gnuabi64 (on ubuntu-latest)	3m 1s
Binary mips64el-unknown-linux-gnuabi64 (on ubuntu-latest)	3m 39s
Binary riscv64gc-unknown-linux-gnu (on ubuntu-latest)	3m 3s
Binary x86_64-pc-windows-msvc (on windows-latest)	6m 4s
Binary x86_64-apple-darwin (on macos-latest)	5m 31s
Binary aarch64-apple-darwin (on macos-latest)	5m 57s
Binary x86_64-unknown-freebsd (on ubuntu-latest)	3m 19s
Publish images	0s
	1h 5m 44s

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