[releng] Update to latest GDB, 8.3, for tests

Change-Id: I36b0ce0021b853a940cd8e6ede9839060a2fcb83
diff --git a/pom.xml b/pom.xml
index 3c2f860..7f391da 100644
--- a/pom.xml
+++ b/pom.xml
@@ -46,7 +46,7 @@
 		     users expect. -->
 		<skipTests>${cdt-other.skip.tests}</skipTests>
 		<dsf.gdb.tests.gdbPath>/shared/common/gdb/gdb-all/bin</dsf.gdb.tests.gdbPath>
-		<cdt.tests.dsf.gdb.versions>gdb.8.2</cdt.tests.dsf.gdb.versions>
+		<cdt.tests.dsf.gdb.versions>gdb.8.3</cdt.tests.dsf.gdb.versions>
 	</properties>
 
 	<licenses>