refactor: rewrite text-diff #3678

Job	Run time
Prepare version string	3s
Build / Build macOS (Intel)	5m 1s
Build / Build Windows x64	7m 39s
Build / Build Linux	3m 19s
Build / Build Windows ARM64	3m 37s
Build / Build macOS (Apple Silicon)	2m 58s
Build / Build Linux (arm64)	3m 28s
Package / Package Windows (win-x64)	24s
Package / Package Windows (win-arm64)	24s
Package / Package Linux (linux-x64)	54s
Package / Package macOS (osx-arm64)	20s
Package / Package macOS (osx-x64)	18s
Package / Package Linux (linux-arm64)	48s
	29m 13s

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