Merge pull request #2588 from cta-observatory/ignore_coverage_xml_sonar

Fix warning in sonarqube

sonar-project.properties

@@ -5,4 +5,4 @@ sonar.python.version=3.10
 
 # ignore examples for coverage and issues, these are sphinx-gallery notebook scripts
 # which aren't really supported by sonarqube and lead to a lot of false positives
-sonar.exclusions=examples/**
+sonar.exclusions=examples/**,coverage/coverage.xml