chore(skip-release): Prepare for 1.21.0

Signed-off-by: azerr <[email protected]>

gradle.properties

@@ -1,5 +1,5 @@
 ideaVersion = IC-2022.1
-projectVersion=1.20.2-SNAPSHOT
+projectVersion=1.21.0
 jetBrainsToken=invalid
 jetBrainsChannel=stable
 quarkusVersion=3.1.2.Final

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

@@ -7,10 +7,18 @@
   <description><![CDATA[
       <img src="https://raw.githubusercontent.com/redhat-developer/intellij-quarkus/master/src/main/resources/quarkus_icon_rgb_32px_default.png" width="32" height="32"/>
       <h2>Quarkus Tools for IntelliJ</h2>
-      <p>A plugin aim at Quarkus based development, providing easy bootstrapping and code assist from <a href="https://quarkus.io/">Quarkus</a> related assets and <a href="https://quarkus.io/guides/qute-reference">Qute</a>.<p>
+      <p>A plugin aimed at Quarkus based development, providing easy bootstrapping and code assist from <a href="https://quarkus.io/">Quarkus</a> related assets and <a href="https://quarkus.io/guides/qute-reference">Qute</a>.<p>
   ]]></description>
 
   <change-notes><![CDATA[
+    <h3>1.21.0</h3>
+    <ul>
+      <li>performance improvement by debouncing classpath changes to refresh Java / properties files validation</li>
+      <li>LSP textDocument/documentLink support (ex: hyperlink in #insert Qute section)</li>
+      <li>Show property expression value in application.properties as inlay hint</li>
+      <li>Bug fixes</li>
+    </ul>
+    Learn more in the <a href="https://github.com/redhat-developer/intellij-quarkus/milestone/34?closed=1">changelog</a>.
     <h3>1.20.1</h3>
     <ul>
       <li>Bug fixes</li>