Fix file format

Author: Natim

schwifty/bank_registry/manual_fr.json

@@ -2482,71 +2482,71 @@
     {
         "country_code": "FR",
         "bic": "CCBPFRPP",
-        "bank_code": 11907,
+        "bank_code": "11907",
         "name": "Banque populaire du Massif central",
         "short_name": "Banque populaire du Massif central",
         "primary": true
     },
     {
         "country_code": "FR",
         "bic": "CEPAPFTP",
-        "bank_code": 12239,
+        "bank_code": "12239",
         "name": "Banque de Tahiti \"B.D.T.\"",
         "short_name": "Banque de Tahiti \"B.D.T.\"",
         "primary": true
     },
     {
         "country_code": "FR",
         "bic": "CEFNNCN1",
-        "bank_code": 14158,
+        "bank_code": "14158",
         "name": "CENTRE FINANCIER DE NOUMEA",
         "short_name": "CENTRE FINANCIER DE NOUMEA",
         "primary": true
     },
     {
         "country_code": "FR",
         "bic": "OFTPPFT1",
-        "bank_code": 14168,
+        "bank_code": "14168",
         "name": "Office des postes et t\u00e9l\u00e9communications Polyn\u00e9sie fran\u00e7aise",
         "short_name": "Office des postes et t\u00e9l\u00e9communications Polyn\u00e9sie fran\u00e7aise",
         "primary": true
     },
     {
         "country_code": "FR",
         "bic": "INGBFR21",
-        "bank_code": 14559,
+        "bank_code": "14559",
         "name": "ING Direct N.V.",
         "short_name": "ING Direct N.V.",
         "primary": true
     },
     {
         "country_code": "FR",
         "bic": "CCBPFRPP",
-        "bank_code": 16707,
+        "bank_code": "16707",
         "name": "Banque populaire de l'Ouest",
         "short_name": "Banque populaire de l'Ouest",
         "primary": true
     },
     {
         "country_code": "FR",
         "bic": "CCMNFR21",
-        "bank_code": 17620,
+        "bank_code": "17620",
         "name": "Caisse de cr\u00e9dit municipal de N\u00eemes",
         "short_name": "Caisse de cr\u00e9dit municipal de N\u00eemes",
         "primary": true
     },
     {
         "country_code": "FR",
         "bic": "CEPAFRPP",
-        "bank_code": 18025,
+        "bank_code": "18025",
         "name": "Caisse d'\u00e9pargne et de pr\u00e9voyance de Picardie",
         "short_name": "Caisse d'\u00e9pargne et de pr\u00e9voyance de Picardie",
         "primary": true
     },
     {
         "country_code": "FR",
         "bic": "SOXAFR2L",
-        "bank_code": 26733,
+        "bank_code": "26733",
         "name": "SOGEXIA S.A",
         "short_name": "SOGEXIA S.A",
         "primary": true