Auto-update dependencies. [(#1359)](GoogleCloudPlatform/python-docs-samples#1359)

Author: dpebot

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

@@ -1,3 +1,3 @@
 google-api-python-client==1.6.5
-google-auth==1.4.0
+google-auth==1.4.1
 google-auth-httplib2==0.0.3