CompatHelper: bump compat for Missings to 1, (keep existing compat)

Author: CompatHelper Julia

Project.toml

@@ -58,7 +58,7 @@ FileIO = "1.4"
 JLD2 = "0.4"
 LsqFit = "0.12"
 MD5 = "0.2"
-Missings = "0.4"
+Missings = "0.4, 1"
 MultivariateStats = "0.8"
 Plots = "1"
 Query = "1"