PR description

Currently, we can use yarn deploy&&yarn deploy -- network sepolia.
but there has some problem need to solve.
the problem is cairo script ``declare` can not get class_hash when the contract has been already declared.
it will return

{
  "version": 1,
  "transactions": {
    "transactions": {
      "196d86c22d6bd216c4c0497de3f9aa008a298f36478e25b7225a84ddc84c6643": {
        "name": "declare",
        "output": {
          "type": "ErrorResponse",
          "message": "Transaction already exists"
        },
        "status": "Error",
        "timestamp": 1737548319,
        "misc": null
      }
    }
  }
}

u can check out and go to folder packages/test_2/scripts execute
sncast --account account-1 script run my_script --url https://starknet-sepolia.public.blastapi.io/rpc/v0_7 recurrent it.

or u can read packages/snfoundry/scripts/readme.md.

Fixes #394

Types of change

• Feature
• Bug
• Enhancement

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