Task: Insert Excel data to Postgres

n8n workflow JSON:
{"nodes":[{"name":"Read Binary File","type":"n8n-nodes-base.readBinaryFile","position":[450,650],"parameters":{"filePath":"spreadsheet.xls"},"typeVersion":1},{"name":"Spreadsheet File1","type":"n8n-nodes-base.spreadsheetFile","position":[600,650],"parameters":{},"typeVersion":1},{"name":"Insert Rows1","type":"n8n-nodes-base.postgres","position":[750,650],"parameters":{"table":"product","columns":"name,ean"},"credentials":{"postgres":"postgres"},"typeVersion":1}],"connections":{"Read Binary File":{"main":[[{"node":"Spreadsheet File1","type":"main","index":0}]]},"Spreadsheet File1":{"main":[[{"node":"Insert Rows1","type":"main","index":0}]]}}}