build(deps): update dependency com.google.cloud:google-cloud-shared-config to v1.5.3 (#811)

* build(deps): update dependency com.google.cloud:google-cloud-shared-config to v1.5.3

* 🦉 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

pom.xml

@@ -25,7 +25,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-shared-config</artifactId>
-    <version>1.5.1</version>
+    <version>1.5.3</version>
   </parent>
 
   <developers>