Update README.md

Author: Dean Karn

README.md

@@ -1,6 +1,6 @@
 ksql
 =====
-![Project status](https://img.shields.io/badge/version-0.2.0-green.svg)
+![Project status](https://img.shields.io/badge/version-0.3.0-green.svg)
 [![GoDoc](https://godoc.org/github.com/go-playground/ksql?status.svg)](https://pkg.go.dev/github.com/go-playground/ksql)
 ![License](https://img.shields.io/dub/l/vibe-d.svg)