feat(compiler): Use program location for `_gmain` (#2231) #883

Job	Run time
Create Release	24s
Dispatch Docker builds	0s
Build release binaries	0s
Upload release npm artifacts	0s
Build preview binaries / (js) Build and test	5m 14s
Upload release binaries	0s
Publish stdlib to npm registry	0s
Dispatch website release	0s
Dispatch homebrew release	0s
Upload preview binaries	1s
Generate documentation	1s
	5m 40s

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