build(deps): update dependency org.codehaus.mojo:exec-maven-plugin to v3.6.3 (#3447)

Author: renovate-bot

google-cloud-storage/pom.xml

@@ -503,7 +503,7 @@
           <plugin>
             <groupId>org.codehaus.mojo</groupId>
             <artifactId>exec-maven-plugin</artifactId>
-            <version>3.6.2</version>
+            <version>3.6.3</version>
             <executions>
               <execution>
                 <goals>