CompatHelper: bump compat for AbstractNeuralNetworks to 0.5 #1008

Job	Run time
Julia 1.10 - ubuntu-latest - x64 - pull_request	7m 41s
Julia 1.10 - macOS-latest - x64 - pull_request	8m 23s
Julia 1.10 - windows-latest - x64 - pull_request	10m 11s
Julia ^1.11.0-0 - ubuntu-latest - x64 - pull_request	10m 4s
Julia ^1.11.0-0 - macOS-latest - x64 - pull_request	12m 41s
Julia ^1.11.0-0 - windows-latest - x64 - pull_request	13m 40s
Julia nightly - ubuntu-latest - x64 - pull_request	6m 48s
Julia nightly - macOS-latest - x64 - pull_request	9m 37s
Julia nightly - windows-latest - x64 - pull_request	9m 56s
	1h 29m 1s

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