feat: support selfhost gitlab with custom url #3533

Job	Run time
Prepare version string	5s
Build / Build Windows x64	3m 46s
Build / Build macOS (Intel)	4m 58s
Build / Build Linux	3m 13s
Build / Build Linux (arm64)	3m 19s
Build / Build macOS (Apple Silicon)	2m 16s
Build / Build Windows ARM64	3m 32s
Package / Package macOS (osx-arm64)	21s
Package / Package macOS (osx-x64)	17s
Package / Package Windows (win-arm64)	26s
Package / Package Linux (linux-arm64)	1m 3s
Package / Package Linux (linux-x64)	55s
Package / Package Windows (win-x64)	24s
	24m 35s

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