bump minor version number for release

Author: Will Kimmerer

Project.toml

@@ -1,7 +1,7 @@
 name = "SuiteSparseGraphBLAS"
 uuid = "c2e53296-7b14-11e9-1210-bddfa8111e1d"
 authors = ["Will Kimmerer <[email protected]", "Abhinav Mehndiratta <[email protected]>"]
-version = "0.5.0"
+version = "0.6.0"
 
 [deps]
 ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"