Update field name to reflect switch to Jakarta

spring-beans/src/main/java/org/springframework/beans/factory/support/DefaultListableBeanFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -123,16 +123,16 @@ public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFacto
 		implements ConfigurableListableBeanFactory, BeanDefinitionRegistry, Serializable {
 
 	@Nullable
-	private static Class<?> javaxInjectProviderClass;
+	private static Class<?> jakartaInjectProviderClass;
 
 	static {
 		try {
-			javaxInjectProviderClass =
+			jakartaInjectProviderClass =
 					ClassUtils.forName("jakarta.inject.Provider", DefaultListableBeanFactory.class.getClassLoader());
 		}
 		catch (ClassNotFoundException ex) {
 			// JSR-330 API not available - Provider interface simply not supported then.
-			javaxInjectProviderClass = null;
+			jakartaInjectProviderClass = null;
 		}
 	}
 
@@ -1340,7 +1340,7 @@ public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFacto
 				ObjectProvider.class == descriptor.getDependencyType()) {
 			return new DependencyObjectProvider(descriptor, requestingBeanName);
 		}
-		else if (javaxInjectProviderClass == descriptor.getDependencyType()) {
+		else if (jakartaInjectProviderClass == descriptor.getDependencyType()) {
 			return new Jsr330Factory().createDependencyProvider(descriptor, requestingBeanName);
 		}
 		else if (descriptor.supportsLazyResolution()) {