CompatHelper: bump compat for Flux to 0.16 for package docs, (keep existing compat)

Author: CompatHelper Julia

docs/Project.toml

@@ -25,7 +25,7 @@ CUDA = "4, 5"
 DiffEqBase = "6.120"
 DiffEqGPU = "1,2, 3"
 Documenter = "1"
-Flux = "0.13, 0.14, 0.15"
+Flux = "0.13, 0.14, 0.15, 0.16"
 ForwardDiff = "0.10"
 OrdinaryDiffEq = "6"
 Plots = "1"