docs: Update DPDK version table

Signed-off-by: Tomasz Konieczny <tomaszx.konieczny@intel.com>
Acked-by: Flavio Leitner <fbl@sysclose.org>
Acked-by: Kevin Traynor <ktraynor@redhat.com>
Signed-off-by: Ian Stokes <ian.stokes@intel.com>

Documentation/faq/releases.rst

@@ -185,8 +185,9 @@ Q: What DPDK version does each Open vSwitch release work with?
     2.8.x        17.05.2
     2.9.x        17.11.4
     2.10.x       17.11.4
-    2.11.x       18.11.5
-    2.12.x       18.11.5
+    2.11.x       18.11.6
+    2.12.x       18.11.6
+    2.13.x       19.11.0
     ============ =======
 
 Q: Are all the DPDK releases that OVS versions work with maintained?