chore(deps): update dependency google-cloud-storage to v1.26.0 [(#3046)…

…](GoogleCloudPlatform/python-docs-samples#3046)

* chore(deps): update dependency google-cloud-storage to v1.26.0

* chore(deps): specify dependencies by python version

* chore: up other deps to try to remove errors

Co-authored-by: Leah E. Cole <6719667+leahecole@users.noreply.github.com>
Co-authored-by: Leah Cole <coleleah@google.com>

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

@@ -1,2 +1,2 @@
 google-cloud-automl==0.10.0
-google-cloud-storage==1.20.0
+google-cloud-storage==1.26.0