bump Zygote version

Author: ChrisRackauckas

Project.toml

@@ -28,7 +28,7 @@ Requires = "1.0"
 StaticArraysCore = "1.1"
 SymbolicIndexingInterface = "0.1, 0.2"
 Tables = "1"
-Zygote = "= 0.6.55"
+Zygote = "= 0.6.57"
 julia = "1.6"
 
 [extensions]

ext/RecursiveArrayToolsZygoteExt.jl

@@ -15,7 +15,7 @@ ChainRulesCore.ProjectTo(x::VectorOfArray) = ChainRulesCore.ProjectTo{VectorOfAr
 
 function ChainRulesCore.rrule(T::Type{<:RecursiveArrayTools.GPUArraysCore.AbstractGPUArray},
                               xs::AbstractVectorOfArray)
-    T(xs), ȳ -> (NoTangent(), ȳ)
+    T(xs), ȳ -> (ChainRulesCore.NoTangent(), ȳ)
 end
 
 @adjoint function getindex(VA::AbstractVectorOfArray, i::Int)