Up-to-date version and link in ASM/CGLIB/Objenesis package javadoc

Issue: SPR-17267
Issue: SPR-17372

spring-core/spring-core.gradle

@@ -7,10 +7,9 @@ dependencyManagement {
 	}
 }
 
-// As of Spring 5.1, spring-core includes asm 7.0 and repackages cglib 3.2.9, inlining
-// both into the spring-core jar. cglib 3.2.9 itself depends on asm 7 and is therefore
-// further transformed by the JarJar task to depend on org.springframework.asm; this
-// avoids including two different copies of asm unnecessarily.
+// spring-core includes asm and repackages cglib, inlining both into the spring-core jar.
+// cglib itself depends on asm and is therefore further transformed by the JarJar task to
+// depend on org.springframework.asm; this avoids including two different copies of asm.
 def cglibVersion = "3.2.9"
 def objenesisVersion = "3.0.1"
 

spring-core/src/main/java/org/springframework/asm/package-info.java

@@ -1,7 +1,7 @@
 /**
  * Spring's repackaging of
- * <a href="https://gitlab.ow2.org/asm/asm">ASM</a>
- * (for internal use only).
+ * <a href="https://gitlab.ow2.org/asm/asm">ASM 7.0</a>
+ * (with Spring-specific patches; for internal use only).
  *
  * <p>This repackaging technique avoids any potential conflicts with
  * dependencies on ASM at the application level or from third-party

spring-core/src/main/java/org/springframework/cglib/package-info.java

@@ -1,7 +1,7 @@
 /**
  * Spring's repackaging of
- * <a href="http://cglib.sourceforge.net">CGLIB</a>
- * (for internal use only).
+ * <a href="https://github.com/cglib/cglib">CGLIB 3.2</a>
+ * (with Spring-specific patches; for internal use only).
  *
  * <p>This repackaging technique avoids any potential conflicts with
  * dependencies on CGLIB at the application level or from third-party

spring-core/src/main/java/org/springframework/objenesis/package-info.java

@@ -1,7 +1,7 @@
 /**
  * Spring's repackaging of
- * <a href="http://objenesis.org">Objenesis 2.1</a>
- * (for internal use only).
+ * <a href="http://objenesis.org">Objenesis 3.0</a>
+ * (with SpringObjenesis entry point; for internal use only).
  *
  * <p>This repackaging technique avoids any potential conflicts with
  * dependencies on different Objenesis versions at the application