CompatHelper: add new compat entry for FillArrays at version 1 for package bench, (keep existing compat) #544

Job	Run time
Julia 1.7 - ubuntu-latest - x64 - pull_request	14m 45s
Julia 1.7 - macOS-latest - x64 - pull_request	29m 44s
Julia 1.7 - windows-latest - x64 - pull_request	30m 6s
Julia 1.10 - ubuntu-latest - x64 - pull_request	30m 39s
Julia 1.10 - macOS-latest - x64 - pull_request	51m 0s
Julia 1.10 - windows-latest - x64 - pull_request	54m 16s
	3h 30m 30s

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