Update target to point to TC stable

Change-Id: I1c4d2597b7d6d0bec4a1ac56a8d5cee0fdbb4537
Signed-off-by: Geneviève Bastien <gbastien+lttng@versatic.net>
Reviewed-on: https://git.eclipse.org/r/126837
Tested-by: CI Bot
diff --git a/common/org.eclipse.tracecompass.incubator.target/tracecompass-incubator-master.target b/common/org.eclipse.tracecompass.incubator.target/tracecompass-incubator-master.target
index 8ce3a96..02e6358 100644
--- a/common/org.eclipse.tracecompass.incubator.target/tracecompass-incubator-master.target
+++ b/common/org.eclipse.tracecompass.incubator.target/tracecompass-incubator-master.target
@@ -135,7 +135,7 @@
 <unit id="org.eclipse.tracecompass.testing.feature.group" version="0.0.0"/>
 <unit id="org.eclipse.tracecompass.lttng2.kernel.feature.group" version="0.0.0"/>
 <unit id="org.eclipse.tracecompass.lttng2.control.feature.group" version="0.0.0"/>
-<repository location="http://download.eclipse.org/tracecompass/master/repository"/>
+<repository location="http://download.eclipse.org/tracecompass/stable/repository"/>
 </location>
 </locations>
 <targetJRE path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>