fix: dont show unchanged images/tags

See #677

cli/recipe/sync.go

@@ -140,13 +140,15 @@ likely to change.
 				if serviceVersions, ok := recipeVersion[latestRecipeVersion]; ok {
 					for serviceName := range serviceVersions {
 						serviceMeta := serviceVersions[serviceName]
-						changesTable.Row(
-							[]string{
-								serviceName,
-								fmt.Sprintf("%s:%s", serviceMeta.Image, serviceMeta.Tag),
-								fmt.Sprintf("%s:%s", serviceMeta.Image, imagesTmp[serviceMeta.Image]),
-							}...,
-						)
+
+						existingImageTag := fmt.Sprintf("%s:%s", serviceMeta.Image, serviceMeta.Tag)
+						newImageTag := fmt.Sprintf("%s:%s", serviceMeta.Image, imagesTmp[serviceMeta.Image])
+
+						if existingImageTag == newImageTag {
+							continue
+						}
+
+						changesTable.Row([]string{serviceName, existingImageTag, newImageTag}...)
 					}
 				}
 			}