chore: Exclude file exporting plugin from coverage

Author: javierbrea

sonar-project.properties

@@ -5,7 +5,7 @@ sonar.projectVersion=2.2.0
 sonar.javascript.file.suffixes=.js
 sonar.sourceEncoding=UTF-8
 sonar.exclusions=node_modules/**,test-e2e/react-app/node_modules/**
-sonar.coverage.exclusions=test/**/*,index.js,stryker.conf.js,jest.config.js,test-e2e/**/*
+sonar.coverage.exclusions=test/**/*,index.js,plugin.js,stryker.conf.js,jest.config.js,test-e2e/**/*
 sonar.cpd.exclusions=test/**/*,test-e2e/**/*
 sonar.javascript.lcov.reportPaths=coverage/lcov.info
 sonar.host.url=https://sonarcloud.io