Allow CI workflow dispatcher on release-1.1 branch

Signed-off-by: Surya Seetharaman <[email protected]>

Author: tssurya

.github/workflows/docker.yml

@@ -2,7 +2,7 @@ name: ovn-docker-images
 
 on:
   push:
-    branches: [ master,release-1.0 ]
+    branches: [ master,release-1.0,release-1.1 ]
 
 permissions:
   contents: read