Merge branch '6.1.x'

spring-context/src/main/java/org/springframework/format/datetime/standard/MonthFormatter.java

@@ -34,7 +34,7 @@ class MonthFormatter implements Formatter<Month> {
 
 	@Override
 	public Month parse(String text, Locale locale) throws ParseException {
-		return Month.valueOf(text.toUpperCase());
+		return Month.valueOf(text.toUpperCase(Locale.ROOT));
 	}
 
 	@Override

spring-context/src/main/java/org/springframework/scheduling/support/CronField.java

@@ -21,6 +21,7 @@ import java.time.temporal.ChronoField;
 import java.time.temporal.ChronoUnit;
 import java.time.temporal.Temporal;
 import java.time.temporal.ValueRange;
+import java.util.Locale;
 import java.util.function.BiFunction;
 
 import org.springframework.lang.Nullable;
@@ -143,7 +144,7 @@ abstract class CronField {
 	}
 
 	private static String replaceOrdinals(String value, String[] list) {
-		value = value.toUpperCase();
+		value = value.toUpperCase(Locale.ROOT);
 		for (int i = 0; i < list.length; i++) {
 			String replacement = Integer.toString(i + 1);
 			value = StringUtils.replace(value, list[i], replacement);