test(e2e): Fix astro config in test app (#18282)

https://5-0-0-beta.docs.astro.build/en/guides/upgrade-to/v5/#removed-hybrid-rendering-mode

the test app was bumped to v5 from dependabot in
#18259

---------

Co-authored-by: Andrei Borza <[email protected]>

Author: chargome

dev-packages/e2e-tests/test-applications/cloudflare-astro/astro.config.mjs

@@ -6,7 +6,6 @@ const dsn = process.env.E2E_TEST_DSN;
 
 // https://astro.build/config
 export default defineConfig({
-  output: 'hybrid',
   adapter: cloudflare({
     imageService: 'passthrough',
   }),

dev-packages/e2e-tests/test-applications/cloudflare-astro/package.json

@@ -17,7 +17,7 @@
     "test:assert": "pnpm -v"
   },
   "dependencies": {
-    "@astrojs/cloudflare": "8.1.0",
+    "@astrojs/cloudflare": "12.6.11",
     "@sentry/astro": "latest || *",
     "astro": "5.15.9"
   },