Add billowing #1068

Job	Run time
Documentation	2m 15s
Julia lts - ubuntu-latest - x64 - with code coverage	2m 15s
Julia 1 - ubuntu-latest - x64 - with code coverage	2m 28s
Julia 1 - windows-latest - x64 - pull_request	11m 38s
Julia 1 - macOS-latest - aarch64 - pull_request	7m 32s
Julia 1 - ubuntu-latest - x64 - pull_request	7m 21s
Julia lts - ubuntu-latest - x64 - pull_request	10m 42s
	44m 11s

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