Improved: no functional change

Missed .sonarcloud.properties in plugins
diff --git a/rat-excludes.txt b/rat-excludes.txt
index c7b318b..45fe990 100644
--- a/rat-excludes.txt
+++ b/rat-excludes.txt
@@ -40,6 +40,7 @@
 .*gitignore
 .*hgignore
 .sonarcloud.properties
+**plugins/.sonarcloud.properties
 **/*.md
 **/*.adoc
 **/robots.txt