feat: support selfhost gitlab with custom url #3534

Job	Run time
Prepare version string	4s
Build / Build Windows ARM64	3m 42s
Build / Build Windows x64	3m 41s
Build / Build macOS (Apple Silicon)	2m 43s
Build / Build macOS (Intel)	3m 15s
Build / Build Linux (arm64)	3m 16s
Build / Build Linux	2m 57s
Package / Package macOS (osx-arm64)	17s
Package / Package Windows (win-arm64)	29s
Package / Package Windows (win-x64)	23s
Package / Package Linux (linux-x64)	58s
Package / Package Linux (linux-arm64)	57s
Package / Package macOS (osx-x64)	20s
	23m 2s

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