[drizzle-kit]: fix Cloudflare D1 data loss on table recreation for tables with FK onDelete cascade

[ZerGo0]

This fixes #4938

The main problem is that Cloudflare D1 seems to ignore PRAGMA foreign_keys=OFF/ON; for migrations like this where you recreate a table and some other tables has a FK onDelete: "cascade" on the table that gets recreated. This causes full data loss on the dependent tables, and this PR fixes that by creating backup tables for the FL dependent tables. This bug currently blocks a better-auth update from 1.3.7 to anything higher.

I wouldn't mind putting this behind a config setting since this is only a problem with specific sqlite implementations, but I feel like most people would miss that and lose their data...

I'm also not 100% sure if I caught all cases, but I've added tests to validate the fix and ran the generate command locally with the following schema to validate the fix:

import { integer, sqliteTable, text } from "drizzle-orm/sqlite-core";

export const account = sqliteTable("account", {
  id: integer("account_id").primaryKey(),
  // CHANGE THE COLUMN TYPE HERE TO FORCE TABLE RECREATION
  name: text("name").notNull(),
});

export const organization = sqliteTable("organization", {
  id: integer("org_id").primaryKey(),
  name: text("name"),
});

export const project = sqliteTable("project", {
  id: integer("project_id").primaryKey(),
  accountId: integer("account_id").references(() => account.id, {
    onDelete: "cascade",
  }),
  orgId: integer("org_id").references(() => organization.id, {
    onDelete: "cascade",
  }),
  title: text("title"),
});

export const task = sqliteTable("task", {
  id: integer("task_id").primaryKey(),
  projectId: integer("project_id").references(() => project.id, {
    onDelete: "cascade",
  }),
  summary: text("summary"),
});

export const attachment = sqliteTable("attachment", {
  id: integer("attachment_id").primaryKey(),
  taskId: integer("task_id").references(() => task.id, { onDelete: "cascade" }),
  projectId: integer("project_id").references(() => project.id, {
    onDelete: "cascade",
  }),
});

export const tag = sqliteTable("tag", {
  id: integer("tag_id").primaryKey(),
  projectId: integer("project_id").references(() => project.id, {
    onDelete: "cascade",
  }),
  label: text("label"),
});

export const comment = sqliteTable("comment", {
  id: integer("comment_id").primaryKey(),
  taskId: integer("task_id").references(() => task.id, { onDelete: "cascade" }),
  body: text("body"),
});