chore(deps): update dependency com.google.cloud:google-cloud-shared-config to v1.12.0 (#1578)

Author: renovate-bot

pom.xml

@@ -16,7 +16,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-shared-config</artifactId>
-    <version>1.11.3</version>
+    <version>1.12.0</version>
   </parent>
 
   <distributionManagement>