Do not advertise 15.5 as it is broken

CHANGELOG.md

@@ -45,7 +45,7 @@ No code changes, but the artifacts published on Maven Central are now compiled w
 -----------------
 [`#17`](https://github.com/openjdk/nashorn/pull/17) [`JDK-8283339`](https://bugs.openjdk.java.net/browse/JDK-8283339) TypeError: undefined is not an Object after JDK-8240299
 
-15.5 (2024.12.15)
+15.5 (2024.12.15 - DO NOT USE, IT IS BROKEN)
 -----------------
 [`#18`](https://github.com/openjdk/nashorn/pull/18) [`JDK-8294560`](https://bugs.openjdk.java.net/browse/JDK-8294560) assertion raised in newBuiltinSwitchPoint
 

README.md

@@ -33,7 +33,7 @@ Nashorn-related documents last published by Oracle with Java 14:
 
 Getting Started
 ===============
-Latest version of Nashorn is 15.5, available from [Maven Central](https://search.maven.org/artifact/org.openjdk.nashorn/nashorn-core/15.5/jar). You can check the [change log](CHANGELOG.md) to see what's new.
+Latest version of Nashorn is 15.4, available from [Maven Central](https://search.maven.org/artifact/org.openjdk.nashorn/nashorn-core/15.4/jar). You can check the [change log](CHANGELOG.md) to see what's new.
 
 Nashorn is a JPMS module, so make sure it and its transitive dependencies (Nashorn depends on several ASM JARs) are on your application's module path, or appropriately added to a module layer, or otherwise configured as modules.