fix: linux build (#2946)

package.json

@@ -78,9 +78,6 @@
     "javascript-time-ago": "^2.5.11",
     "open": "^10.1.0"
   },
-  "optionalDependencies": {
-    "sharp": "^0.34.4"
-  },
   "engines": {
     "node": ">=24.0.0"
   }

src/backend/package.json

@@ -63,7 +63,7 @@
     "parse-domain": "^8.2.2",
     "prompt-sync": "^4.2.0",
     "replicate": "^1.0.0",
-    "sharp": "^0.34.3",
+    "sharp": "^0.34.5",
     "socket.io": "^4.8.3",
     "svg-captcha": "^1.4.0",
     "together-ai": "^0.33.0",