updated CHANGELOG.md

Author: dougxc

compiler/CHANGELOG.md

@@ -2,6 +2,11 @@
 
 This changelog summarizes newly introduced optimizations and other compiler related changes.
 
+## GraalVM for JDK 22 (Internal Version 24.0.0)
+* (GR-48318): The Graal module has been renamed from `jdk.internal.vm.compiler` to `jdk.compiler.graal`.
+  Likewise, the compiler packages moved into the `jdk.compiler.graal` namespace.
+  These renamings were done in preparation for [Project Galahad](https://openjdk.org/projects/galahad/).
+
 ## GraalVM for JDK 21 (Internal Version 23.1.0)
 * (GR-43228): Enforce backward-edge control-flow integrity (CFI) on aarch64 based on the `UseBranchProtection` JVM flag.