Catch KeyDownloader::getMissingUrls exceptions

Signed-off-by: Graham <gpe@openrs2.org>

archive/src/main/kotlin/org/openrs2/archive/key/KeyImporter.kt

@@ -75,18 +75,18 @@ public class KeyImporter @Inject constructor(
         val urls = mutableSetOf<String>()
 
         for (downloader in downloaders) {
-            for (url in downloader.getMissingUrls(seenUrls)) {
             try {
+                for (url in downloader.getMissingUrls(seenUrls)) {
                     keys += downloader.download(url).map { key ->
                         Key(key, downloader.source)
                     }
                     urls += url
+                }
             } catch (ex: IOException) {
                 logger.warn(ex) { "Failed to download keys from ${downloader.source.name}" }
                 continue
             }
         }
-        }
 
         database.execute { connection ->
             connection.prepareStatement(