ci: fix sonar.sources for SonarQube Scan

Author: Ayeshas09

sonar-project.properties

@@ -4,7 +4,7 @@ sonar.organization=apimatic
 sonar.host.url=https://sonarcloud.io
 sonar.sourceEncoding=UTF-8
 
-sonar.sources=src
+sonar.sources=apimatic_core
 sonar.tests=tests
 
 sonar.python.coverage.reportPaths=coverage.xml