Document relaxed snapshot restore requirements

Signed-off-by: Ludvig Liljenberg <4257730+ludfjig@users.noreply.github.com>

Author: ludfjig

CHANGELOG.md

@@ -15,6 +15,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
   MSRs, on MSHV and WHP this is not enforced. by @ludfjig in https://github.com/hyperlight-dev/hyperlight/pull/991
 * **Breaking:** Filesystem paths are now represented using `PathBuf`. `GuestBinary::FilePath` now stores a `PathBuf` instead of a `String`, and `MultiUseSandbox::generate_crashdump_to_dir` accepts `Into<PathBuf>` instead of `Into<String>`. Callers passing a `String` to `GuestBinary::FilePath` must convert it using `.into()`.
 * Deprecate `MultiUseSandbox::poisoned` in favor of `MultiUseSandbox::status().is_poisoned()`.
+* `MultiUseSandbox::restore` has been made more flexible and now accepts snapshots from any guest binary or memory layout when host functions are compatible.
 
 Certain fixed guest addresses were changed on AArch64 to more easily
 accommodate 16k pages without wasting memory. Snapshots taken from