deps: update dependency com.google.cloud:google-cloud-pubsublite-parent to v1.6.1 (#143)

Author: renovate-bot

pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-pubsublite-parent</artifactId>
-        <version>1.6.0</version>
+        <version>1.6.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <packaging>jar</packaging>