chore: change group id

Author: JoeWang1127

java-sdk-logging/log4j2-extension/pom.xml

@@ -4,7 +4,7 @@
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
-    <groupId>com.google.api</groupId>
+    <groupId>com.google.cloud</groupId>
     <artifactId>java-sdk-logging-parent</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>