8303028: Update system property for Java SE specification maintenance version

Reviewed-by: rriggs, lancea, naoto, iris
Backport-of: 9eb797dc6ac09f250b4e308abd43bffa6529c534

Author: Justin Lu

jdk/src/share/native/java/lang/System.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1994, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1994, 2023, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -215,7 +215,7 @@ Java_java_lang_System_initProperties(JNIEnv *env, jclass cla, jobject props)
     PUTPROP(props, "java.specification.version",
             JDK_MAJOR_VERSION "." JDK_MINOR_VERSION);
     PUTPROP(props, "java.specification.maintenance.version",
-            "4");
+            "5");
     PUTPROP(props, "java.specification.name",
             "Java Platform API Specification");
     PUTPROP(props, "java.specification.vendor",