Update CHANGELOG.md.

Author: rschatz

truffle/CHANGELOG.md

@@ -6,6 +6,8 @@ This changelog summarizes major changes between Truffle versions relevant to lan
 * GR-38526 Added `TruffleLanguage.Env#isSocketIOAllowed()`. The method returns true if access to network sockets is allowed.
 * GR-41634 Added `TruffleLanguage.Env#isFileIOAllowed()`. The method returns true if access to files is allowed.
 * Deprecated `TruffleLanguage.Env#isIOAllowed()`. To migrate, use `TruffleLanguage.Env#isFileIOAllowed()`.
+* GR-41408 Added `Version.format(String)`, to support formatting the version using a custom format string, e.g. for use in URLs.
+* GR-41408 Added `${graalvm-version}` and `${graalvm-website-version}` substitutions for the `website` property of language and instrument registrations.
 
 * GR-41034 Added `TruffleInstrument.Env.getTruffleFile(TruffleContext, ...)` methods to allow reading a truffle file from a specific context without being entered. Deprecated `TruffleInstrument.Env.getTruffleFile(...)` methods that do not take the `TruffleContext`.