chore: bump hono to 4.12.18 and add pnpm override

Author: ridvan

package.json

@@ -77,7 +77,8 @@
   },
   "pnpm": {
     "overrides": {
-      "drizzle-orm": "^0.45.2"
+      "drizzle-orm": "^0.45.2",
+      "hono": "4.12.18"
     }
   }
 }

packages/backend/package.json

@@ -29,7 +29,7 @@
     "css-tree": "^3.2.1",
     "dom-serializer": "^3.0.0",
     "drizzle-orm": "^0.45.2",
-    "hono": "^4.12.16",
+    "hono": "^4.12.18",
     "htmlparser2": "^12.0.0",
     "postal-mime": "^2.7.4",
     "resend": "^6.12.0",