Switch to Jacoco 0.8.7 and instruct it it's Java 11

Change-Id: I1492ef98e5c2878d31a826a337909dbdb0c099d6
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
Reviewed-on: https://git.eclipse.org/r/c/linuxtools/org.eclipse.linuxtools/+/183276
Tested-by: Linux Tools Bot <linuxtools-bot@eclipse.org>
diff --git a/pom.xml b/pom.xml
index ef5558a..be21c97 100644
--- a/pom.xml
+++ b/pom.xml
@@ -56,7 +56,7 @@
     <sonar.core.codeCoveragePlugin>jacoco</sonar.core.codeCoveragePlugin>
     <sonar.dynamicAnalysis>reuseReports</sonar.dynamicAnalysis>
     <sonar.jacoco.reportPath>${project.basedir}/../../target/jacoco.exec</sonar.jacoco.reportPath>
-    <sonar.java.source>1.8</sonar.java.source>
+    <sonar.java.source>11</sonar.java.source>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   </properties>
   <pluginRepositories>
@@ -325,7 +325,7 @@
        <plugin>
         <groupId>org.jacoco</groupId>
         <artifactId>jacoco-maven-plugin</artifactId>
-        <version>0.8.6</version>
+        <version>0.8.7</version>
         <executions>
           <execution>
            <id>pre-test</id>