Update maven-build-plugins

* build-helper-maven-plugin 3.3.0 -> 3.4.0
* maven-dependency-plugin no_version -> 3.6.1
* jacoco-maven-plugin - 0.8.8 -> 0.8.11

org.eclipse.jdt.ls.product/pom.xml

@@ -251,7 +251,7 @@
 					<plugin>
 						<groupId>org.codehaus.mojo</groupId>
 						<artifactId>build-helper-maven-plugin</artifactId>
-						<version>3.3.0</version>
+						<version>3.4.0</version>
 						<executions>
 							<execution>
 								<phase>validate</phase>

pom.xml

@@ -63,6 +63,7 @@
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-dependency-plugin</artifactId>
+					<version>3.6.1</version>
 					<executions>
 						<execution>
 							<?m2e execute onConfiguration?>
@@ -237,7 +238,7 @@
 					<plugin>
 						<groupId>org.jacoco</groupId>
 						<artifactId>jacoco-maven-plugin</artifactId>
-						<version>0.8.8</version>
+						<version>0.8.11</version>
 						<executions>
 							<execution>
 								<goals>