fix empty line

Author: Karol Sójko

actions/release-notes/action.yml

@@ -23,4 +23,4 @@ runs:
         RELEASE_NOTES="${RELEASE_NOTES//'%'/'%25'}"
         RELEASE_NOTES="${RELEASE_NOTES//$'\n'/'%0A'}"
         RELEASE_NOTES="${RELEASE_NOTES//$'\r'/'%0D'}"
-        echo "result=$RELEASE_NOTES" >> $GITHUB_OUTPUT
+        echo "result=$RELEASE_NOTES" >> $GITHUB_OUTPUT