tests

Bump copyright year and remove needless parentheses in file `markdown-unicode-data.lua` #3223

Job	Run time
Style check (Python)	26s
Style check (Lua)	26s
Style check (Line length)	24s
Style check (expl3)	15s
Style check (Markdown)	22s
Style check (Tabs and spaces)	3s
Style check (Bash)	5s
Type check (Python)	42s
Build Docker image (latest)	3m 5s
Test Docker image (latest)	54m 13s
Automatically merge pull request	0s
Publish Docker image	0s
Publish artefacts and create a prerelease	0s
	1h 0m 1s

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