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

Author: renovate[bot]

pom.xml

@@ -111,7 +111,7 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>exec-maven-plugin</artifactId>
-                <version>3.6.2</version>
+                <version>3.6.3</version>
                 <executions>
                     <execution>
                         <goals>