Update Project.toml

Author: ChrisRackauckas

Project.toml

@@ -1,7 +1,7 @@
 name = "Surrogates"
 uuid = "6fc51010-71bc-11e9-0e15-a3fcc6593c49"
 authors = ["SciML"]
-version = "4.4.0"
+version = "4.5.0"
 
 [deps]
 AbstractGPs = "99985d1d-32ba-4be9-9821-2ec096f28918"
@@ -23,7 +23,7 @@ Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 AbstractGPs = "0.5"
 Distributions = "0.21, 0.22, 0.23, 0.24, 0.25"
 ExtendableSparse = "0.4, 0.5, 0.6"
-Flux = "0.13"
+Flux = "0.12, 0.13"
 GLM = "1.3"
 IterativeSolvers = "0.9"
 LatinHypercubeSampling = "1.2"