style: ruff format and the lint rules of the driver standard

Mechanical: ruff format, and ruff check --fix with the rule set every NAPALM
driver uses (E, F, I, UP, B at line length 100, Python 3.10). What ruff
cannot fix comes in the next commit.

tests/test_kernel_facts.py

@@ -12,9 +12,9 @@ import gzip
 from unittest.mock import patch
 
 import pytest
-
 from napalm_device_types import KernelFactsMixin
 from napalm_device_types.kernel import KERNEL_FACTS_COMMAND
+
 from napalm_proxmox.driver import ProxmoxDriver
 
 REPORT = (