chore(deps): update dependency google-cloud-storage to v2.6.0 (#899)

Author: renovate-bot

storage/samples/snippets/requirements.txt

@@ -1,4 +1,4 @@
 google-cloud-pubsub==2.13.10
-google-cloud-storage==2.5.0
+google-cloud-storage==2.6.0
 pandas===1.3.5; python_version == '3.7'
 pandas==1.5.1; python_version >= '3.8'