fix: disconnect all shards when shard manager restarts, don't fetch old timeouts

Catalogger.Backend/Database/Repositories/TimeoutRepository.cs

@@ -20,7 +20,11 @@ public class TimeoutRepository(DatabaseConnection conn) : IDisposable, IAsyncDis
         );
 
     public async Task<List<DiscordTimeout>> GetAllAsync() =>
-        (await conn.QueryAsync<DiscordTimeout>("select * from timeouts order by id")).ToList();
+        (
+            await conn.QueryAsync<DiscordTimeout>(
+                "select * from timeouts where until > now() order by id"
+            )
+        ).ToList();
 
     public async Task<DiscordTimeout> SetAsync(
         Snowflake guildId,