bump project.toml

Author: j-fu

Project.toml

@@ -1,7 +1,7 @@
 name = "SimplexGridFactory"
 uuid = "57bfcd06-606e-45d6-baf4-4ba06da0efd5"
 authors = ["Juergen Fuhrmann <juergen.fuhrmann@wias-berlin.de>", "Patrick Jaap <patrick.jaap@wias-berlin.de>"]
-version = "2.6.0"
+version = "2.6.1"
 
 [deps]
 DocStringExtensions = "ffbed154-4ef7-542d-bbb7-c09d3a79fcae"