fixed source in sonar

Author: chillaq

sonar-project.properties

@@ -1,7 +1,7 @@
 sonar.projectName=split_openfeature
 sonar.projectKey=split_openfeature
 sonar.python.version=3.9
-sonar.sources=splitio
+sonar.sources=split_openfeature
 sonar.tests=tests
 sonar.text.excluded.file.suffixes=.csv
 sonar.python.coverage.reportPaths=coverage.xml