deps: update dependency com.google.cloud:google-cloud-pubsublite to v1.9.4 (#585)

* deps: update dependency com.google.cloud:google-cloud-pubsublite to v1.9.4

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: renovate-bot

samples/snapshot/pom.xml

@@ -44,7 +44,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-pubsublite</artifactId>
-      <version>1.9.3</version>
+      <version>1.9.4</version>
     </dependency>
     <dependency>
       <groupId>com.google.cloud</groupId>

samples/snippets/pom.xml

@@ -44,7 +44,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-pubsublite</artifactId>
-      <version>1.9.3</version>
+      <version>1.9.4</version>
     </dependency>
     <dependency>
       <groupId>com.google.cloud</groupId>