Improved: no functional change

Adds new Rat detected issues which are not

.sonarcloud.properties is used to run sonar, see OFBIZ-10917

As discussed previously with Mathieu on dev ML change the location of  meta-data
files that are maintained manually. They are distributed inside the JAR to allow
the  ‘ServiceLoader’ API [1] to find the classes implementing a particular
interface (corresponding to the file name) efficiently.
[1]https://docs.oracle.com/javase/8/docs/api/java/util/ServiceLoader.html

I spotted this with RAT, for base.util.test.UtilObjectTests$TestFactoryIntf
The other same files have ASL2 headers, I decided to not change that.

I wonder if my previous commit about
**/framework/base/src/main/resources/META-INF/**
was right. I was unable to test then because Buildbot was unavailable.
I replace it by
**/framework/base/src/test/resources/META-INF/**
diff --git a/rat-excludes.txt b/rat-excludes.txt
index 537327a..c7b318b 100644
--- a/rat-excludes.txt
+++ b/rat-excludes.txt
@@ -39,6 +39,7 @@
 
 .*gitignore
 .*hgignore
+.sonarcloud.properties
 **/*.md
 **/*.adoc
 **/robots.txt
@@ -64,6 +65,6 @@
 **/themes/rainbowstone/webapp/rainbowstone/*.less
 **/less.min.js
 **/SamplePricatTemplate_V1.1.xlsx
-**/framework/base/src/main/resources/META-INF/**
+**/framework/base/src/test/resources/META-INF/**
 **/.gradle/**
 **/gradle/wrapper/**