fix: exclude docs and tests from package (#481)

Only include packages that start with google in the published artifact

setup.py

@@ -44,7 +44,11 @@
     version=version,
     description=description,
     long_description=readme,
-    packages=setuptools.PEP420PackageFinder.find(),
+    packages=[
+        package
+        for package in setuptools.PEP420PackageFinder.find()
+        if package.startswith("google")
+    ],
     entry_points={
         "console_scripts": [
             "tb-gcp-uploader=google.cloud.aiplatform.tensorboard.uploader_main:run_main"