Change legalName (in classifiers)

https://procedure-sandbox.prozorro.sale/api/classifiers/ua_identifiers

Current legalNames:

  "UA-IPN-FOP": {
    "country": "Ukraine",
    "legalNameEn": "ITN/RNTRC",
    "legalNameUa": "ІПН/РНОКПП",
    "pattern": "^[0-9]{10}$"
  }

Required legalNames:

  "UA-IPN-FOP": {
    "country": "Ukraine",
    "legalNameEn": "ITN/RNTRC (Sole proprietor)",
    "legalNameUa": "ІПН/РНОКПП (ФОП)",
    "pattern": "^[0-9]{10}$"
  }