deps: update dependency com.google.cloud:google-cloud-pubsub-bom to v1.120.0 (#782)

* deps: update dependency com.google.cloud:google-cloud-pubsub-bom to v1.120.0

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java-scheduler/pom.xml

@@ -106,7 +106,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-pubsub-bom</artifactId>
-        <version>1.119.1</version>
+        <version>1.120.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>