bump compat version for Distributions for #256 and #360

Author: marcoct

Project.toml

@@ -18,7 +18,7 @@ SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
 
 [compat]
 DataStructures = "0.15, 0.16, 0.17, 0.18"
-Distributions = "0.21, 0.22, 0.23, 0.24"
+Distributions = "0.24"
 ForwardDiff = "0.10.10"
 FunctionalCollections = "0.5"
 JSON = "0.20, 0.21"