chore: add index to posting_date in PLE
diff --git a/erpnext/accounts/doctype/payment_ledger_entry/payment_ledger_entry.json b/erpnext/accounts/doctype/payment_ledger_entry/payment_ledger_entry.json
index 9cf2ac6..4ae8135 100644
--- a/erpnext/accounts/doctype/payment_ledger_entry/payment_ledger_entry.json
+++ b/erpnext/accounts/doctype/payment_ledger_entry/payment_ledger_entry.json
@@ -30,7 +30,8 @@
   {
    "fieldname": "posting_date",
    "fieldtype": "Date",
-   "label": "Posting Date"
+   "label": "Posting Date",
+   "search_index": 1
   },
   {
    "fieldname": "account_type",
@@ -153,7 +154,7 @@
  "in_create": 1,
  "index_web_pages_for_search": 1,
  "links": [],
- "modified": "2023-06-29 12:24:20.500632",
+ "modified": "2023-10-30 16:15:00.470283",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Payment Ledger Entry",