Update dependency google-cloud-pubsub to v1.4.2 (GoogleCloudPlatform#3336)

busunkim96 · leahecole · web-flow · commit 51e183991bed · 2020-04-15T11:52:24.000-07:00
Co-authored-by: Leah E. Cole &lt;6719667+leahecole@users.noreply.github.com&gt;
diff --git a/asset/cloud-client/requirements.txt b/asset/cloud-client/requirements.txt
@@ -1,4 +1,4 @@
 google-cloud-storage==1.26.0
 google-cloud-asset==0.9.0
 google-cloud-resource-manager==0.30.1
-google-cloud-pubsub==1.1.0
+google-cloud-pubsub==1.4.2
