update versioning

Author: Ric Harvey

docs/versioning.md

@@ -28,6 +28,7 @@ The latest tag will always follow the master branch in git. the other versions w
 | 1.2.3 | 1.2.3 |1.13.3 | 7.1.7 | 3.4 | 0.2.9 | 
 | 1.2.4 | 1.2.3 |1.13.4 | 7.1.8 | 3.4 | 0.2.9 | 
 | 1.2.5 | 1.2.3 |1.13.4 | 7.1.8 | 3.4 | 0.2.10 | 
+| 1.2.6 | 1.2.3 |1.13.4 | 7.1.8 | 3.4 | 0.2.11 | 
 
 These tags will be created as releases on GitHub and as tags in docker hub.