Update SpecialFunctions (#1490)

Author: devmotion

Project.toml

@@ -1,6 +1,6 @@
 name = "Turing"
 uuid = "fce5fe82-541a-59a6-adf8-730c64b5f9a0"
-version = "0.15.3"
+version = "0.15.4"
 
 [deps]
 AbstractMCMC = "80f14c24-f653-4e6a-9b94-39d6b0f70001"
@@ -52,7 +52,7 @@ MCMCChains = "4"
 NamedArrays = "0.9"
 Reexport = "0.2.0"
 Requires = "0.5, 1.0"
-SpecialFunctions = "0.7.2, 0.8, 0.9, 0.10"
+SpecialFunctions = "0.7.2, 0.8, 0.9, 0.10, 1"
 StatsBase = "0.32, 0.33"
 StatsFuns = "0.8, 0.9"
 Tracker = "0.2.3"

test/Project.toml

@@ -46,7 +46,7 @@ NamedArrays = "0.9.4"
 Optim = "0.22, 1.0"
 PDMats = "0.10"
 ReverseDiff = "1.4.2"
-SpecialFunctions = "0.10.3"
+SpecialFunctions = "0.10.3, 1"
 StatsBase = "0.33"
 StatsFuns = "0.9.5"
 Tracker = "0.2.11"