chore(db-*): import migration args as type

Author: sondreorland

Diff for: docs/database/migrations.mdx

@@ -36,7 +36,7 @@ all changes that you attempt to make within the migration, and the `down` should
 Here is an example migration file:
 
 ```ts
-import { MigrateUpArgs, MigrateDownArgs } from '@payloadcms/your-db-adapter'
+import type { MigrateUpArgs, MigrateDownArgs } from '@payloadcms/your-db-adapter'
 
 export async function up({ payload, req }: MigrateUpArgs): Promise<void> {
   // Perform changes to your database here.

Diff for: packages/db-mongodb/src/createMigration.ts

@@ -5,7 +5,11 @@ import path from 'path'
 import { getPredefinedMigration, writeMigrationIndex } from 'payload'
 import { fileURLToPath } from 'url'
 
-const migrationTemplate = ({ downSQL, imports, upSQL }: MigrationTemplateArgs): string => `import {
+const migrationTemplate = ({
+  downSQL,
+  imports,
+  upSQL,
+}: MigrationTemplateArgs): string => `import type {
   MigrateDownArgs,
   MigrateUpArgs,
 } from '@payloadcms/db-mongodb'

Diff for: packages/drizzle/src/utilities/getMigrationTemplate.ts

@@ -11,7 +11,7 @@ export const getMigrationTemplate = ({
   imports,
   packageName,
   upSQL,
-}: MigrationTemplateArgs): string => `import { MigrateUpArgs, MigrateDownArgs, sql } from '${packageName}'
+}: MigrationTemplateArgs): string => `import { type MigrateUpArgs, type MigrateDownArgs, sql } from '${packageName}'
 ${imports ? `${imports}\n` : ''}
 export async function up({ db, payload, req }: MigrateUpArgs): Promise<void> {
 ${indent(upSQL)}

Diff for: packages/payload/src/database/migrations/migrationTemplate.ts

@@ -1,5 +1,5 @@
 export const migrationTemplate = `
-import {
+import type {
   MigrateUpArgs,
   MigrateDownArgs,
 } from "@payloadcms/db-mongodb";