fix int format in search results

Since `trackId` is an `Int` and can be a number greater than `Int32.max`,
it should be printed with the `%ld` format specifier [1].

[1]: https://developer.apple.com/library/archive/documentation/Cocoa/Conceptual/Strings/Articles/formatSpecifiers.html#//apple_ref/doc/uid/TP40004265-SW5

Sources/MasKit/Formatters/SearchResultFormatter.swift

@@ -26,9 +26,9 @@ enum SearchResultFormatter {
             let price = result.price ?? 0.0
 
             if includePrice {
-                output += String(format: "%12d  %@  $%5.2f  (%@)\n", appId, appName, price, version)
+                output += String(format: "%12ld  %@  $%5.2f  (%@)\n", appId, appName, price, version)
             } else {
-                output += String(format: "%12d  %@ (%@)\n", appId, appName, version)
+                output += String(format: "%12ld  %@ (%@)\n", appId, appName, version)
             }
         }