replace `EventLoop::run` with `EventLoop::spawn` #92

Job	Run time
Build WebGL Example (ubuntu-latest)	40s
Build [OpenGL \| Linux (x86)]	52s
Build [OpenGL \| Linux (ARM)]	1m 13s
Build [OpenGL \| MacOS (x86)]	1m 23s
Build [OpenGL \| MacOS (ARM)]	1m 44s
Build [OpenGL \| Windows (x86)]	1m 46s
Build [WGPU \| Linux (x86)]	1m 26s
Build [WGPU \| Linux (ARM)]	1m 45s
Build [WGPU \| MacOS (x86)]	1m 59s
Build [WGPU \| MacOS (ARM)]	3m 8s
Build [WGPU \| Windows (x86)]	3m 53s
	19m 49s

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