- Fixed some potential causes for ratelimit due to default message retry settings

- Fixed a patron rewards bug caused by monthly donation checking not accounting for year increase
- Fixed a patron rewards bug for users who connected the same discord account with multiple patreon accounts

src/NadekoBot/Migrations/PostgreSql/20230109010058_patron-fix.cs

@@ -0,0 +1,55 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace NadekoBot.Migrations.PostgreSql
+{
+    public partial class patronfix : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropPrimaryKey(
+                name: "pk_patrons",
+                table: "patrons");
+
+            migrationBuilder.AddColumn<int>(
+                name: "id",
+                table: "patrons",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0)
+                .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+
+            migrationBuilder.AddPrimaryKey(
+                name: "pk_patrons",
+                table: "patrons",
+                column: "id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_patrons_userid",
+                table: "patrons",
+                column: "userid");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropPrimaryKey(
+                name: "pk_patrons",
+                table: "patrons");
+
+            migrationBuilder.DropIndex(
+                name: "ix_patrons_userid",
+                table: "patrons");
+
+            migrationBuilder.DropColumn(
+                name: "id",
+                table: "patrons");
+
+            migrationBuilder.AddPrimaryKey(
+                name: "pk_patrons",
+                table: "patrons",
+                column: "userid");
+        }
+    }
+}