refactor: rewrite text-diff #3685

Job	Run time
Prepare version string	5s
Build / Build macOS (Apple Silicon)	2m 1s
Build / Build Windows x64	3m 32s
Build / Build Windows ARM64	3m 57s
Build / Build macOS (Intel)	3m 10s
Build / Build Linux	3m 32s
Build / Build Linux (arm64)	3m 31s
Package / Package Windows (win-arm64)	21s
Package / Package Windows (win-x64)	23s
Package / Package macOS (osx-x64)	21s
Package / Package macOS (osx-arm64)	17s
Package / Package Linux (linux-arm64)	55s
Package / Package Linux (linux-x64)	1m 0s
	23m 5s

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