Fix @AutoConfiguration Javadoc tag

Author: scordio

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/AutoConfiguration.java

@@ -35,7 +35,7 @@
  * Indicates that a class provides configuration that can be automatically applied by
  * Spring Boot. Auto-configuration classes are regular
  * {@link Configuration @Configuration} with the exception that
- * {@literal Configuration#proxyBeanMethods() proxyBeanMethods} is always {@code false}.
+ * {@link Configuration#proxyBeanMethods() proxyBeanMethods} is always {@code false}.
  * They are located using {@link ImportCandidates}.
  * <p>
  * Generally auto-configuration classes are marked as {@link Conditional @Conditional}