Update ext/DynamicPPLMooncakeExt.jl

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: willtebbutt

ext/DynamicPPLMooncakeExt.jl

@@ -4,6 +4,6 @@ using DynamicPPL: DynamicPPL, istrans
 using Mooncake: Mooncake
 
 # This is purely an optimisation.
-Mooncake.@zero_adjoint Mooncake.DefaultCtx Tuple{typeof(istrans), Vararg}
+Mooncake.@zero_adjoint Mooncake.DefaultCtx Tuple{typeof(istrans),Vararg}
 
 end # module