CompatHelper: bump compat for Compat to 4, (keep existing compat) (#624)

* CompatHelper: bump compat for Compat to 4, (keep existing compat)

* v1.35.0

Co-authored-by: CompatHelper Julia <compathelper_noreply@julialang.org>
Co-authored-by: Michael Abbott <32575566+mcabbott@users.noreply.github.com>

Author: 3 people

Project.toml

@@ -1,6 +1,6 @@
 name = "ChainRules"
 uuid = "082447d4-558c-5d27-93f4-14fc19e9eca2"
-version = "1.34.0"
+version = "1.35.0"
 
 [deps]
 ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
@@ -15,7 +15,7 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 [compat]
 ChainRulesCore = "1.12"
 ChainRulesTestUtils = "1.5"
-Compat = "3.42.0"
+Compat = "3.42.0, 4"
 FiniteDifferences = "0.12.20"
 IrrationalConstants = "0.1.1"
 JuliaInterpreter = "0.8,0.9"