Populate sonar.projectKey property

* Change deprecated `sonar.jacoco.reportPath` to a new recommended one -
`sonar.coverage.jacoco.xmlReportPaths`

build.gradle

@@ -966,13 +966,14 @@ reference.onlyIf { "$System.env.NO_REFERENCE_TASK" != 'true' || project.hasPrope
 
 sonarqube {
 	properties {
-		property 'sonar.jacoco.reportPath', "${buildDir.name}/jacoco.exec"
+		property 'sonar.coverage.jacoco.xmlReportPaths', "${buildDir.name}/jacoco.exec"
 		property 'sonar.links.homepage', linkHomepage
 		property 'sonar.links.ci', linkCi
 		property 'sonar.links.issue', linkIssue
 		property 'sonar.links.scm', linkScmUrl
 		property 'sonar.links.scm_dev', linkScmDevConnection
 		property 'sonar.java.coveragePlugin', 'jacoco'
+		property 'sonar.projectKey', "$group:$name"
 	}
 }