Include other coverages

sonar-project.properties

@@ -1,5 +1,5 @@
 sonar.projectKey=opencost_opencost
 sonar.sources=pkg,core/pkg,modules/prometheus-source/pkg,modules/collector-source/pkg
-sonar.go.coverage.reportPaths=coverage.out,coverage/coverage.out
+sonar.go.coverage.reportPaths=coverage.out,coverage/coverage.out,core/coverage.out,modules/prometheus-source/coverage.out,modules/collector-source/coverage.out
 sonar.test.inclusions=**/*_test.go
 sonar.coverage.exclusions=**/*_test.go