feat: #29 Update microcks-cli to 0.5.6 version

Signed-off-by: Laurent Broudoux <laurent.broudoux@gmail.com>

Author: lbroudoux

action.yml

@@ -16,7 +16,7 @@ inputs:
     required: true
 runs:
   using: 'docker'
-  image: 'docker://quay.io/microcks/microcks-cli:0.5.3'
+  image: 'docker://quay.io/microcks/microcks-cli:0.5.6'
   entrypoint: '/usr/bin/bash'
   args:
   - '-c'