Bump serial_test from 2.0.0 to 3.0.0 #545

Job	Run time
Extract crate metadata	4s
License checks	46s
Run tests with updated syntaxes and themes	5m 13s
cargo audit	5s
Documentation	46s
Ensure 'cargo fmt' has been run	10s
Run tests with system wide configuration	2m 37s
Minimum supported rust version	1m 31s
aarch64-unknown-linux-gnu (ubuntu-20.04)	4m 5s
arm-unknown-linux-gnueabihf (ubuntu-20.04)	4m 12s
arm-unknown-linux-musleabihf (ubuntu-20.04)	4m 8s
i686-pc-windows-msvc (windows-2019)	6m 9s
i686-unknown-linux-gnu (ubuntu-20.04)	4m 2s
i686-unknown-linux-musl (ubuntu-20.04)	3m 56s
x86_64-apple-darwin (macos-12)	6m 19s
x86_64-pc-windows-gnu (windows-2019)	7m 46s
x86_64-pc-windows-msvc (windows-2019)	6m 28s
x86_64-unknown-linux-gnu (ubuntu-20.04)	3m 48s
x86_64-unknown-linux-musl (ubuntu-20.04)	3m 57s
all-jobs	1s
Publish to Winget	0s
	1h 6m 3s

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