CICD

Bump nix from 0.26.2 to 0.26.4 #3039

Job	Run time
Ensure 'cargo fmt' has been run	15s
Extract crate metadata	7s
cargo audit	10s
Documentation	51s
License checks	1m 9s
Run tests with updated syntaxes and themes	8m 59s
Run tests with system wide configuration	4m 33s
Minimum supported rust version	2m 30s
aarch64-unknown-linux-gnu (ubuntu-20.04)	6m 5s
arm-unknown-linux-gnueabihf (ubuntu-20.04)	7m 23s
arm-unknown-linux-musleabihf (ubuntu-20.04)	6m 59s
i686-pc-windows-msvc (windows-2019)	9m 25s
i686-unknown-linux-gnu (ubuntu-20.04)	5m 15s
i686-unknown-linux-musl (ubuntu-20.04)	6m 8s
x86_64-apple-darwin (macos-12)	8m 12s
x86_64-pc-windows-gnu (windows-2019)	12m 53s
x86_64-pc-windows-msvc (windows-2019)	11m 4s
x86_64-unknown-linux-gnu (ubuntu-20.04)	7m 8s
x86_64-unknown-linux-musl (ubuntu-20.04)	7m 30s
all-jobs	2s
Publish to Winget	0s
	1h 46m 38s

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