chore(deps): update dependency google-cloud-storage to v2.1.0 (#332)

* chore(deps): update all dependencies

* revert update for google-auth

* add pin for google-cloud-storage for py < 3.7

Co-authored-by: Anthonios Partheniou <partheniou@google.com>

packages/google-cloud-dataproc/samples/snippets/requirements.txt

@@ -4,5 +4,6 @@ grpcio==1.43.0
 google-auth==2.3.3
 google-auth-httplib2==0.1.0
 google-cloud==0.34.0
-google-cloud-storage==2.0.0
+google-cloud-storage==2.0.0; python_version == '3.6'
+google-cloud-storage==2.1.0; python_version >= '3.7'
 google-cloud-dataproc==3.2.0