chore: update sdk version to 0.3.0 (#25)

* chore: update sdk version to 0.3

This version is larger than the previous one which was 0.1.0

* chore: update sdk version to 0.3.0

Author: cusell-google

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "ucp-sdk"
-version = "0.0.3"
+version = "0.3.0"
 description = "UCP Python SDK"
 readme = "README.md"
 license = {file = "LICENSE"}