fix: remove hardcoded version fallback, fail fast if no version provided #12

Job	Run time
build (bun-darwin-arm64, auggie-darwin-arm64, auggie-darwin-arm64)	5s
build (bun-windows-x64, auggie-windows-x64.exe, auggie-windows-x64)	2s
build (bun-linux-x64, auggie-linux-x64, auggie-linux-x64)	5s
build (bun-darwin-x64, auggie-darwin-x64, auggie-darwin-x64)	6s
release	-1s
	17s

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