fix(next/image): bump sharp@0.34.1 (#77839)

This PR updates deps to `sharp@0.34.1` to fix few bugs we found:

- lovell/sharp#4277
- lovell/sharp#4328

See the full list of changes here:
lovell/sharp#4248

Author: styfle

packages/next/package.json

@@ -131,7 +131,7 @@
     }
   },
   "optionalDependencies": {
-    "sharp": "^0.33.5"
+    "sharp": "^0.34.1"
   },
   "devDependencies": {
     "@ampproject/toolbox-optimizer": "2.8.3",