fix: Change IBAN Account length from 25 to 30 (#16847)

diff --git a/erpnext/accounts/doctype/bank_account/bank_account.json b/erpnext/accounts/doctype/bank_account/bank_account.json
index 4897097..84a8e68 100644
--- a/erpnext/accounts/doctype/bank_account/bank_account.json
+++ b/erpnext/accounts/doctype/bank_account/bank_account.json
@@ -1,5 +1,6 @@
 {
  "allow_copy": 0, 
+ "allow_events_in_timeline": 0, 
  "allow_guest_to_view": 0, 
  "allow_import": 0, 
  "allow_rename": 1, 
@@ -290,7 +291,7 @@
    "in_list_view": 1, 
    "in_standard_filter": 0, 
    "label": "IBAN", 
-   "length": 25, 
+   "length": 30, 
    "no_copy": 0, 
    "permlevel": 0, 
    "precision": "", 
@@ -669,7 +670,7 @@
  "issingle": 0, 
  "istable": 0, 
  "max_attachments": 0, 
- "modified": "2018-07-20 13:55:36.996465", 
+ "modified": "2019-03-05 17:56:05.103238", 
  "modified_by": "Administrator", 
  "module": "Accounts", 
  "name": "Bank Account",