Adapt to pending Enzyme breaking change (#2479)

Incidentally this extension doesn't have any code broken by the breaking change. Nevertheless trying to open / flag early for the ecosystem

Author: wsmoses

Project.toml

@@ -47,7 +47,7 @@ Adapt = "3, 4"
 CUDA = "4, 5"
 ChainRulesCore = "1.12"
 Compat = "4.10.0"
-Enzyme = "0.12"
+Enzyme = "0.12, 0.13"
 Functors = "0.4"
 MLUtils = "0.4"
 MPI = "0.20.19"