Update dependency org.codehaus.mojo:exec-maven-plugin to v3.6.3

Author: renovate-bot

spannergeo-s2/pom.xml

@@ -90,7 +90,7 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>exec-maven-plugin</artifactId>
-                <version>3.4.1</version>
+                <version>3.6.3</version>
                 <configuration>
                     <mainClass>com.example.spannergeo.App</mainClass>
                 </configuration>