Mirror changelog to Q plugin (#4404)

Author: rli

plugins/amazonq/build.gradle.kts

@@ -1,6 +1,7 @@
 // Copyright 2024 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 // SPDX-License-Identifier: Apache-2.0
 
+import software.aws.toolkits.gradle.changelog.tasks.GeneratePluginChangeLog
 import software.aws.toolkits.gradle.intellij.IdeFlavor
 import software.aws.toolkits.gradle.intellij.IdeVersions
 
@@ -9,6 +10,18 @@ plugins {
     id("toolkit-patch-plugin-xml-conventions")
 }
 
+val changelog = tasks.register<GeneratePluginChangeLog>("pluginChangeLog") {
+    includeUnreleased.set(true)
+    changeLogFile.set(project.file("$buildDir/changelog/change-notes.xml"))
+}
+
+tasks.jar {
+    dependsOn(changelog)
+    from(changelog) {
+        into("META-INF")
+    }
+}
+
 intellij {
     plugins.set(
         listOf(

plugins/amazonq/src/main/resources/META-INF/plugin.xml

@@ -48,4 +48,8 @@
 
     <depends>aws.toolkit.core</depends>
     <xi:include href="/META-INF/module-amazonq.xml" />
+
+    <xi:include href="/META-INF/change-notes.xml" xpointer="xpointer(/idea-plugin/*)">
+        <xi:fallback/>
+    </xi:include>
 </idea-plugin>