feat: log invalid search path roots (#4772)

Author: currenjin

junit-platform-console/src/main/java/org/junit/platform/console/tasks/DiscoveryRequestCreator.java

@@ -111,7 +111,7 @@ private static Set<Path> validateAndLogInvalidRoots(Set<Path> roots) {
 			boolean dirOrJar = isDirOrJar(root);
 
 			if (!exists || !readable || !dirOrJar) {
-				logger.info(
+				logger.warn(
 					() -> "Ignoring invalid search path root: %s (exists=%s, readable=%s, dirOrJar=%s)".formatted(root,
 						exists, readable, dirOrJar));
 				continue;