fix: Update the release version (#38)

Author: ZPascal

Diff for: setup.py

@@ -8,7 +8,7 @@
 
 setuptools.setup(
     name="grafana-api-sdk",
-    version="0.2.0",
+    version="0.3.0",
     author="Pascal Zimmermann",
     author_email="[email protected]",
     description="A Grafana API SDK",