Merge pull request #58 from SciML/compathelper/new_version/2020-12-21-12-20-37-377-3652084109

CompatHelper: bump compat for "Zygote" to "0.6"

Author: ChrisRackauckas

Project.toml

@@ -29,7 +29,7 @@ QuadGK = "2.1"
 Reexport = "0.2"
 Requires = "0.5, 1.0"
 ReverseDiff = "1"
-Zygote = "0.4.22, 0.5"
+Zygote = "0.4.22, 0.5, 0.6"
 ZygoteRules = "0.2"
 julia = "1.4"