CompatHelper: add new compat entry for Lux at version 0.4, (keep existing compat)

Author: CompatHelper Julia

Project.toml

@@ -31,6 +31,7 @@ HDF5 = "0.16"
 LaTeXStrings = "1"
 LazyArrays = "0.22"
 LinearMaps = "3"
+Lux = "0.4"
 OffsetArrays = "1"
 Parameters = "0.12"
 ParticleMethods = "0.1.0"