[MNG-7051] When an optional profile could not be found, an info message should be thrown instead of a warning.

maven-core/src/main/java/org/apache/maven/DefaultMaven.java

@@ -611,7 +611,7 @@ public class DefaultMaven
                     "The requested optional profiles [%s] could not be activated or deactivated because they "
                             + "do not exist.", String.join( ", ", notFoundOptionalProfiles )
             );
-            logger.warn( message );
+            logger.info( message );
         }
     }