increase contrast of line numbers #223

Job	Run time
Create Pull Request Build for linux (arm)	4m 8s
Create Pull Request Build for linux (x64)	57s
Create Pull Request Build for windows (x64)	1m 22s
Create Pull Request Build for macos (x64)	1m 50s
Create Pull Request Build for macos (aarch64)	56s
Create Pull Request Build for linux (aarch64)	1m 11s
	10m 24s

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