Improve release notes

Author: ppkarwasz

src/changelog/2.22.1/.release-notes.adoc.ftl

@@ -20,8 +20,8 @@
 
 <#if release.date?has_content>Release date:: ${release.date}</#if>
 
-This releases fixes several issues from the previous releases.
+This release contains only dependency upgrades and bug fixes, which do not change the behavior of the artifacts.
 
-While maintaining compatibility with Java 8, the artifacts in this release where generated using JDK 17.
+While maintaining compatibility with Java 8, the artifacts in this release where generated using JDK 17, unlike version `2.22.0` that used JDK 11.
 
 <#include "../.changelog.adoc.ftl">