fix UndefVarError: @assume_effects not defined (#280)

* fix  `UndefVarError: @assume_effects not defined`

* using not import

Author: anandijain

lib/ArrayInterfaceCore/src/ArrayInterfaceCore.jl

@@ -12,6 +12,7 @@ _is_reshaped(::Type{<:Base.ReinterpretArray}) = false
 
 @static if isdefined(Base, Symbol("@assume_effects"))
     using Base: @constprop
+    using Base: @assume_effects
 else
     macro assume_effects(_, ex)
         Base.@pure ex