CompatHelper: bump compat for Optim to 2, (keep existing compat)

Author: CompatHelper Julia

Project.toml

@@ -110,7 +110,7 @@ LinearMaps = "3"
 Logging = "1"
 MPI = "0.20.22"
 Markdown = "1"
-Optim = "1"
+Optim = "1, 2"
 PeriodicTable = "1"
 PkgVersion = "0.3"
 Plots = "1"