New install script #1066

Job	Run time
Julia lts - ubuntu-latest - x64 - with code coverage	5m 38s
Julia 1 - ubuntu-latest - x64 - with code coverage	5m 39s
Documentation	2m 16s
Julia lts - ubuntu-latest - x64 - pull_request	5m 37s
Julia 1 - ubuntu-latest - x64 - pull_request	5m 37s
Julia 1 - windows-latest - x64 - pull_request	5m 37s
Julia 1 - macOS-latest - aarch64 - pull_request	5m 40s
	36m 4s

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