fix: don't specify duplicate key_roles in guild repository, let PK API service read strings as numbers

Catalogger.Backend/Database/DatabaseMigrator.cs

@@ -65,9 +65,11 @@ public class DatabaseMigrator(ILogger logger, IClock clock, DatabaseConnection c
         await tx.CommitAsync();
     }
 
-    private async Task ExecuteMigration(DbTransaction tx, string migrationName)
+    private async Task ExecuteMigration(DbTransaction tx, string migrationName, bool up = true)
     {
-        var query = await GetResource($"{RootPath}.Migrations.{migrationName}.up.sql");
+        var query = await GetResource(
+            $"{RootPath}.Migrations.{migrationName}.{(up ? "up" : "down")}.sql"
+        );
 
         // Run the migration
         await conn.ExecuteAsync(query, transaction: tx);

Catalogger.Backend/Database/Repositories/GuildRepository.cs

@@ -51,7 +51,7 @@ public class GuildRepository(ILogger logger, DatabaseConnection conn)
     public async Task AddGuildAsync(ulong id) =>
         await conn.ExecuteAsync(
             """
-            insert into guilds (id, key_roles, banned_systems, key_roles, channels)
+            insert into guilds (id, key_roles, banned_systems, channels)
             values (@Id, array[]::bigint[], array[]::text[], array[]::bigint[], @Channels)
             on conflict do nothing
             """,

Catalogger.Backend/Services/PluralkitApiService.cs

@@ -15,6 +15,7 @@
 
 using System.Net;
 using System.Text.Json;
+using System.Text.Json.Serialization;
 using System.Threading.RateLimiting;
 using Humanizer;
 using NodaTime;
@@ -34,6 +35,7 @@ public class PluralkitApiService(ILogger logger)
     private readonly JsonSerializerOptions _jsonOptions = new JsonSerializerOptions
     {
         PropertyNamingPolicy = JsonNamingPolicy.SnakeCaseLower,
+        NumberHandling = JsonNumberHandling.AllowReadingFromString,
     }.ConfigureForNodaTime(
         new NodaJsonSettings
         {