build: bump version to 0.9.0

Author: Soheyl

setup.py

@@ -7,7 +7,7 @@
 
 setup(
     name="assemblyai",
-    version="0.7.1",
+    version="0.9.0",
     description="AssemblyAI Python SDK",
     author="AssemblyAI",
     author_email="[email protected]",