Bump version to 3.0.0

Author: zero323

setup.py

@@ -25,7 +25,7 @@ def list_packages(src_path=src_path):
 setup(
     name="pyspark-stubs",
     package_dir={"": src_path},
-    version="3.0.0.dev9",
+    version="3.0.0",
     description="A collection of the Apache Spark stub files",
     long_description=(
         open("README.rst").read() if os.path.exists("README.rst") else ""