deps: update dependency com.google.cloud:google-cloud-pubsublite-bom to v1.16.0 (#7357)

Co-authored-by: Jin Seop Kim <jinseop@google.com>

Author: renovate-bot

google-cloud-bom/pom.xml

@@ -231,7 +231,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-pubsublite-bom</artifactId>
-        <version>1.15.21</version>
+        <version>1.16.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>