Update compatibility

Author: cynddl

Project.toml

@@ -14,10 +14,12 @@ StatsFuns = "4c63d2b9-4356-54db-8cca-17b64c39e42c"
 mvndst_jll = "78cd126e-648e-5a4b-8892-63be0e833cb1"
 
 [compat]
-Compat = "2.2"
+Compat = "2, 3"
 Discreet = "0.3"
-Optim = "0.19"
-Roots = "0.8"
+Optim = "0.19, 0.20, 0.21, 0.22"
+Roots = "0.8, 0.9, 1.0"
 StatsBase = "0.32, 0.33"
 StatsFuns = "0.8, 0.9, 1.0"
+Distributions = "0.23"
+PDMats = "0.10, 0.11"
 julia = "1"