enhance: Set default Node.js version to v26 (#17623)

* enhance: Set default Node.js version to v26

* fix

* Update Changelog

* fix types

* drop node v22

* update changelog

* fix test

* update

* fix test

* fix test

* Revert "drop node v22"

This reverts commit bb4e011628.

* fix changelog

* attempt to fix test

* attempt to fix test

* fix: update re2 that supports node 26

* attempt to fix test

* attempt to fix test

* run pnpm dedupe

* restore 2fa e2e

* refactor

* attempt to fix test

* attempt to fix test

* run pnpm dedupe

* attempt to fix test

packages/backend/src/core/AiService.ts

@@ -137,7 +137,8 @@ export class AiService {
 		try {
 			const form = new FormData();
 			for (let i = 0; i < chunk.length; i++) {
-				form.append(`image${i}`, new Blob([chunk[i]], { type: 'image/png' }), `${i}.png`);
+				const image = Uint8Array.from(chunk[i]);
+				form.append(`image${i}`, new Blob([image], { type: 'image/png' }), `${i}.png`);
 			}
 
 			// Content-Type は FormData から boundary 付きで自動設定させるため、手動設定はしない。