increased maxDuration for sending txs function

Author: smypmsa

vercel.json

@@ -18,7 +18,7 @@
     },
     "api/write/solana.py": {
       "memory": 200,
-      "maxDuration": 59
+      "maxDuration": 90
     },
     "api/support/update_state.py": {
       "memory": 200,