[releng] Update to latest (2.3.0) tycho

Change-Id: I630b694e5e314c1211b91135ad86dfd605b950ed

.mvn/extensions.xml

diff --git a/.mvn/extensions.xml b/.mvn/extensions.xml
index 793ea95..4632f0f 100644
--- a/.mvn/extensions.xml
+++ b/.mvn/extensions.xml
@@ -3,6 +3,6 @@
   <extension>
     <groupId>org.eclipse.tycho.extras</groupId>
     <artifactId>tycho-pomless</artifactId>
-    <version>2.1.0</version>
+    <version>2.3.0</version>
   </extension>
 </extensions>

pom.xml

diff --git a/pom.xml b/pom.xml
index fa9ac6d..49a9f1f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@
 			 runs with. It may work with older versions, but this is not
 			 tested or supported. -->
 		<required-maven-version>3.6.3</required-maven-version>
-		<tycho-version>2.1.0</tycho-version>
+		<tycho-version>2.3.0</tycho-version>
 		<cbi-plugins.version>1.1.7</cbi-plugins.version>
 		<sonar.core.codeCoveragePlugin>jacoco</sonar.core.codeCoveragePlugin>
 		<cdt-site>http://ci.eclipse.org/cdt/job/cdt-master/lastSuccessfulBuild/artifact/releng/org.eclipse.cdt.repo/target/repository</cdt-site>