Fix formatting for list

Author: aclement

docs/release/README-1.9.23.adoc

@@ -22,18 +22,18 @@ found here:
 
 AspectJ 1.9.23 supports https://openjdk.java.net/projects/jdk/23/[Java 23], its final and preview features:
 
-455:	Primitive Types in Patterns, instanceof, and switch (Preview)
-466:	Class-File API (Second Preview)
-467:	Markdown Documentation Comments
-469:	Vector API (Eighth Incubator)
-473:	Stream Gatherers (Second Preview)
-471:	Deprecate the Memory-Access Methods in sun.misc.Unsafe for Removal
-474:	ZGC: Generational Mode by Default
-476:	Module Import Declarations (Preview)
-477:	Implicitly Declared Classes and Instance Main Methods (Third Preview)
-480:	Structured Concurrency (Third Preview)
-481:	Scoped Values (Third Preview)
-482:	Flexible Constructor Bodies (Second Preview)
+* 455:	Primitive Types in Patterns, instanceof, and switch (Preview)
+* 466:	Class-File API (Second Preview)
+* 467:	Markdown Documentation Comments
+* 469:	Vector API (Eighth Incubator)
+* 473:	Stream Gatherers (Second Preview)
+* 471:	Deprecate the Memory-Access Methods in sun.misc.Unsafe for Removal
+* 474:	ZGC: Generational Mode by Default
+* 476:	Module Import Declarations (Preview)
+* 477:	Implicitly Declared Classes and Instance Main Methods (Third Preview)
+* 480:	Structured Concurrency (Third Preview)
+* 481:	Scoped Values (Third Preview)
+* 482:	Flexible Constructor Bodies (Second Preview)
 
 Some of these are API/JVM only so don't affect the compiler and should just work on Java 23 runtimes.