feat(cmd): SilenceUsage all but root

cmd/dump.go

@@ -20,11 +20,12 @@ type dumpEntry struct {
 }
 
 var dumpCmd = &cobra.Command{
-	Use:     "dump [DB]",
-	Short:   "Dump all key/value pairs as NDJSON",
-	Aliases: []string{"export"},
-	Args:    cobra.MaximumNArgs(1),
-	RunE:    dump,
+	Use:          "dump [DB]",
+	Short:        "Dump all key/value pairs as NDJSON",
+	Aliases:      []string{"export"},
+	Args:         cobra.MaximumNArgs(1),
+	RunE:         dump,
+	SilenceUsage: true,
 }
 
 func dump(cmd *cobra.Command, args []string) error {