Remove unnecessary cast

Replace explicit casts with pattern variables to improve readability and
remove redundancy.

See gh-48297

Signed-off-by: geopark021 <geobrown021@gmail.com>

spring-boot-project/spring-boot-test-autoconfigure/src/main/java/org/springframework/boot/test/autoconfigure/properties/AnnotationsPropertySource.java

@@ -138,7 +138,7 @@ public class AnnotationsPropertySource extends EnumerablePropertySource<Class<?>
 		}
 		else if (value instanceof MergedAnnotation<?> annotation) {
 			for (Method attribute : annotation.getType().getDeclaredMethods()) {
-				collectProperties(name, defaultSkip, (MergedAnnotation<?>) value, attribute, properties);
+				collectProperties(name, defaultSkip, annotation, attribute, properties);
 			}
 		}
 		else {

spring-boot-project/spring-boot-tools/spring-boot-cli/src/main/java/org/springframework/boot/cli/command/CommandRunner.java

@@ -242,7 +242,7 @@ public class CommandRunner implements Iterable<Command> {
 		if (ex instanceof CommandException commandException) {
 			options = commandException.getOptions();
 			if (options.contains(CommandException.Option.RETHROW)) {
-				throw (CommandException) ex;
+				throw commandException;
 			}
 		}
 		boolean couldNotShowMessage = false;