CompatHelper: bump compat for RecursiveArrayTools to 3, (keep existing compat)

Author: CompatHelper Julia

Project.toml

@@ -36,7 +36,7 @@ Parameters = "0.12"
 ParticleMethods = "0.1.0"
 Plots = "1"
 PoissonSolvers = "0.1.0"
-RecursiveArrayTools = "2"
+RecursiveArrayTools = "2, 3"
 TypedTables = "1"
 VlasovMethods = "0.1"
 julia = "1.7"