Increase patch number to 0.4.7 (#278)

Add a last version before the breaking switch to DimensionalData, so that one could pin to version 0.4

Author: felixcremer

Project.toml

@@ -1,7 +1,7 @@
 name = "YAXArrays"
 uuid = "c21b50f5-aa40-41ea-b809-c0f5e47bfa5c"
 authors = ["Fabian Gans <[email protected]>"]
-version = "0.4.6"
+version = "0.4.7"
 
 [deps]
 CFTime = "179af706-886a-5703-950a-314cd64e0468"