[FIXED JENKINS-26755] document fixed issue

changelog.html

@@ -60,6 +60,10 @@ Upcoming changes</a>
   <li class=bug>
     An error thrown in the wrong place in a publisher could result in a failure to release a workspace lock.
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-26698">issue 26698</a>)
+  <li class=bug>
+    Cache node environment to prevent unnecessary channel usage
+    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-26755">issue 26755</a>)
+
 </ul>
 </div><!--=TRUNK-END=-->