bump julia ver

Author: nirmal-suthar

Project.toml

@@ -1,7 +1,7 @@
 name = "Flux3D"
 uuid = "432009dd-59a1-4b72-8c93-6462ce9b220f"
 authors = ["Nirmal P. Suthar <[email protected]>"]
-version = "0.1.5"
+version = "0.1.6"
 
 [deps]
 CUDA = "052768ef-5323-5732-b1bb-66c8b64840ba"
@@ -31,7 +31,7 @@ Meshing = "0.5"
 NearestNeighbors = "0.4"
 Requires = "1.0"
 Zygote = "0.5, 0.6"
-julia = "1.3"
+julia = "1.6"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"