feat: update Cloudflare and Netlify adapter major versions (#13615)

Author: eltigerchino

.changeset/shaggy-rats-laugh.md

@@ -0,0 +1,5 @@
+---
+'@sveltejs/adapter-auto': major
+---
+
+feat: update Netlify and Cloudflare Pages major versions

packages/adapter-auto/adapters.js

@@ -13,13 +13,13 @@ export const adapters = [
 		name: 'Cloudflare Pages',
 		test: () => !!process.env.CF_PAGES,
 		module: '@sveltejs/adapter-cloudflare',
-		version: '5'
+		version: '6'
 	},
 	{
 		name: 'Netlify',
 		test: () => !!process.env.NETLIFY,
 		module: '@sveltejs/adapter-netlify',
-		version: '4'
+		version: '5'
 	},
 	{
 		name: 'Azure Static Web Apps',