add release 0.19 to the supported releases table

Signed-off-by: Mikko Ylinen <[email protected]>

Author: mythi

README.md

@@ -263,6 +263,7 @@ matching Kubernetes versions are listed below:
 
 | Branch            | Kubernetes branch/version      |
 |:------------------|:-------------------------------|
+| release-0.19      | Kubernetes 1.19 branch v1.19.x |
 | release-0.18      | Kubernetes 1.18 branch v1.18.x |
 | release-0.17      | Kubernetes 1.17 branch v1.17.x |
 | release-0.15      | Kubernetes 1.15 branch v1.15.x |