Update README.md #398

Job	Run time
Documentation	6m 7s
Julia 1.6 - ubuntu-latest - x64 - push	8m 55s
Julia 1.6 - ubuntu-latest - x86 - push	10m 40s
Julia 1.6 - macOS-latest - x64 - push	9m 22s
Julia 1.6 - windows-latest - x64 - push	13m 41s
Julia 1.6 - windows-latest - x86 - push	19m 28s
Julia 1 - ubuntu-latest - x64 - push	8m 13s
Julia 1 - ubuntu-latest - x86 - push	9m 27s
Julia 1 - macOS-latest - x64 - push	7m 56s
Julia 1 - windows-latest - x64 - push	8m 2s
Julia 1 - windows-latest - x86 - push	11m 53s
Julia nightly - ubuntu-latest - x64 - push	13m 5s
Julia nightly - ubuntu-latest - x86 - push	7m 0s
Julia nightly - macOS-latest - x64 - push	11m 2s
Julia nightly - windows-latest - x64 - push	13m 12s
Julia nightly - windows-latest - x86 - push	7m 53s
	2h 45m 56s

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