deps: update dependency com.google.cloud:google-cloud-pubsublite-parent to v1.4.6 (#325)

Co-authored-by: Tianzi Cai <tianzi@google.com>

Author: renovate-bot

pom.xml

@@ -3,7 +3,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-pubsublite-parent</artifactId>
-    <version>1.4.5</version>
+    <version>1.4.6</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>