fix: python dependency specification #6180

Job	Run time
Build	2m 55s
Node.js Binding Tests	4m 39s
Format (rustfmt +nightly)	15s
Lint (clippy)	4m 35s
Cache Maintenance	0s
PG Protocol Tests	19s
Python Binding Tests	5m 46s
Process Integration Tests (pytest)	1m 21s
SQL Logic Tests (postgres)	18s
SQL Logic Tests (flightsql)	17s
SQL Logic Tests (rpc)	18s
Unit Tests	5m 51s
Service Integration Tests (SLT)	2m 42s
Datasource Integration (Clickhouse)	2m 20s
Build and Push Docker Image	0s
Datasource Integration (SQLite)	2m 38s
Datasource Integration (Cassandra)	1m 57s
Datasource Integration (MySQL)	2m 46s
MinIO Integration Tests (SLT::MinIO)	2m 41s
Datasource Integration (MongoDB)	26s
Datasource Integration (SQLServer)	9m 6s
Datasource Integration (PostgreSQL)	2m 22s
Snowflake Integration Tests (SLT::Snowflake)	2m 6s
	55m 38s

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