Require version of ChainRulesCore with MutableTangent etc

oxinabox · oxinabox · commit 310246254d4d · 2024-01-29T16:44:17.000+08:00
diff --git a/Project.toml b/Project.toml
@@ -18,7 +18,7 @@ StructArrays = "09ab397b-f2b6-538f-b94a-2f83cf4a842a"
 [compat]
 AbstractDifferentiation = "0.5"
 ChainRules = "1.44.6"
-ChainRulesCore = "1.15.3"
+ChainRulesCore = "1.20"
 Combinatorics = "1"
 Cthulhu = "2"
 OffsetArrays = "1"
