chore: bump @opennextjs/cloudflare to 1.6.4 (#8065)

Author: dario-piotrowicz

.github/workflows/playwright-cloudflare-open-next.yml

@@ -51,12 +51,6 @@ jobs:
       - name: Install packages
         run: pnpm install --frozen-lockfile
 
-      - name: Downgrade Next.js
-        # Open-next does not yet support [email protected], so temporarily in order to have
-        # this workflow working we force install the latest Next.js 15.3 version instead
-        run: pnpm i [email protected]
-        working-directory: apps/site
-
       - name: Get Playwright version
         id: playwright-version
         working-directory: apps/site

apps/site/package.json

@@ -82,7 +82,7 @@
     "@eslint/eslintrc": "~3.3.1",
     "@flarelabs-net/wrangler-build-time-fs-assets-polyfilling": "^0.0.1",
     "@next/eslint-plugin-next": "15.4.4",
-    "@opennextjs/cloudflare": "^1.6.2",
+    "@opennextjs/cloudflare": "^1.6.4",
     "@playwright/test": "^1.54.1",
     "@testing-library/user-event": "~14.6.1",
     "@types/mdx": "^2.0.13",