Add compat with ChainRulesCore v2

Author: JamesWrigley

Project.toml

@@ -1,6 +1,6 @@
 name = "ChainRulesTestUtils"
 uuid = "cdddcdb0-9152-4a09-a978-84456f9df70a"
-version = "1.13.1"
+version = "1.13.2"
 
 [deps]
 ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
@@ -12,7 +12,7 @@ Suppressor = "fd094767-a336-5f1f-9728-57cf17d0bbfb"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [compat]
-ChainRulesCore = "1.11.2"
+ChainRulesCore = "1.11.2, 2"
 Compat = "3, 4"
 FiniteDifferences = "0.12.12"
 MetaTesting = "0.1"