Add bash completion for `config --resolve-image-digests|--volumes"`

Signed-off-by: Harald Albers <[email protected]>

contrib/completion/bash/docker-compose

@@ -142,7 +142,7 @@ _docker_compose_bundle() {
 
 
 _docker_compose_config() {
-	COMPREPLY=( $( compgen -W "--help --quiet -q --services" -- "$cur" ) )
+	COMPREPLY=( $( compgen -W "--help --quiet -q --resolve-image-digests --services --volumes" -- "$cur" ) )
 }