Support julia 1.8, 1.9; bump version

Author: Dillon Daudert

Project.toml

@@ -1,7 +1,7 @@
 name = "NearestNeighborDescent"
 uuid = "dd2c4c9e-a32f-5b2f-b342-08c2f244fce8"
 authors = ["Dillon Daudert <[email protected]>"]
-version = "0.3.5"
+version = "0.3.6"
 
 [deps]
 DataStructures = "864edb3b-99cc-5e75-8d2d-829cb0a9cfe8"
@@ -16,7 +16,7 @@ DataStructures = "0.18"
 Distances = "0.8, 0.9, 0.10"
 Graphs = "1.4"
 Reexport = "0.2, 1.0"
-julia = "1.5, 1.6, 1.7"
+julia = "1.5, 1.6, 1.7, 1.8, 1.9"
 
 [extras]
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"