Function filterOutLastMonth

filterOutLastMonth(
sheetName: string,
transactions: Transaction[],
): Transaction[]
Filters out transactions from the last month.
Parameters
- sheetName: string
  The name of the sheet being filtered.
- transactions: Transaction[]
  Array of transactions to filter.
Returns Transaction[]
An array of transactions excluding those from the last month.
- Defined in src/features/googleSheetService.ts:187