fixed binarycrossentropy bug with julia 1.9 (hopefully) #426

Job	Run time
Documentation	4m 17s
Julia 1.7 - ubuntu-latest - x64 - push	9m 11s
Julia 1.7 - ubuntu-latest - x64 - push	7m 33s
Julia 1.7 - macOS-latest - x64 - push	8m 26s
Julia 1.7 - macOS-latest - x64 - push	9m 35s
Julia 1.7 - windows-latest - x64 - push	15m 39s
Julia 1.7 - windows-latest - x64 - push	12m 52s
Julia 1.8 - ubuntu-latest - x64 - push	7m 15s
Julia 1.8 - ubuntu-latest - x64 - push	8m 2s
Julia 1.8 - macOS-latest - x64 - push	8m 40s
Julia 1.8 - macOS-latest - x64 - push	10m 18s
Julia 1.8 - windows-latest - x64 - push	16m 38s
Julia 1.8 - windows-latest - x64 - push	13m 6s
Julia 1.9 - ubuntu-latest - x64 - push	5m 59s
Julia 1.9 - ubuntu-latest - x64 - push	6m 5s
Julia 1.9 - macOS-latest - x64 - push	8m 15s
Julia 1.9 - macOS-latest - x64 - push	8m 41s
Julia 1.9 - windows-latest - x64 - push	9m 24s
Julia 1.9 - windows-latest - x64 - push	9m 48s
Julia nightly - ubuntu-latest - x64 - push	42s
Julia nightly - macOS-latest - x64 - push	1m 6s
Julia nightly - windows-latest - x64 - push	1m 21s
	3h 2m 53s

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