releng: Build with tracecompass-e4.27 target by default

Change-Id: I8f9c3568526da20db176c9044575051f34eea7dc
Signed-off-by: Patrick Tasse <patrick.tasse@gmail.com>
Reviewed-on: https://git.eclipse.org/r/c/tracecompass/org.eclipse.tracecompass/+/200050
Tested-by: Trace Compass Bot <tracecompass-bot@eclipse.org>
Tested-by: Bernd Hufmann <bernd.hufmann@ericsson.com>
Reviewed-by: Bernd Hufmann <bernd.hufmann@ericsson.com>

pom.xml

@@ -57,7 +57,7 @@
     <tycho-use-project-settings>true</tycho-use-project-settings>
     <tycho.scmUrl>scm:git:git://git.eclipse.org/gitroot/tracecompass/org.eclipse.tracecompass.git</tycho.scmUrl>
     <cbi-plugins.version>1.3.2</cbi-plugins.version>
-    <target-platform>tracecompass-e4.26</target-platform>
+    <target-platform>tracecompass-e4.27</target-platform>
     <help-docs-eclipserun-repo>http://download.eclipse.org/eclipse/updates/4.20</help-docs-eclipserun-repo>
 
     <rcptt-version>2.5.3</rcptt-version>