CompatHelper: add new compat entry for Flux in [weakdeps] at version 0.14, (keep existing compat)

Author: CompatHelper Julia

Project.toml

@@ -75,6 +75,7 @@ DocStringExtensions = "0.8, 0.9"
 FileIO = "1"
 FiniteDiff = "2"
 FiniteDifferences = "0.12"
+Flux = "0.14"
 FunctionalStateMachine = "0.2.9"
 JSON3 = "1"
 KernelDensityEstimate = "0.5.6"