CompatHelper: add new compat entry for BenchmarkTools at version 1 for package bench, (keep existing compat) #548

Job	Run time
Julia 1.7 - ubuntu-latest - x64 - pull_request	14m 41s
Julia 1.7 - macOS-latest - x64 - pull_request	1s
Julia 1.7 - windows-latest - x64 - pull_request	29m 57s
Julia 1.10 - ubuntu-latest - x64 - pull_request	30m 24s
Julia 1.10 - macOS-latest - x64 - pull_request	31s
Julia 1.10 - windows-latest - x64 - pull_request	55m 29s
	2h 11m 3s

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