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/unit/test_command_channel.py

@@ -86,7 +86,9 @@ class TestRebootHost:
 
     def test_detached_so_the_answer_comes_back_first(self):
         drv = _driver()
-        with patch("napalm_openwrt.openwrt.run_on_transport", return_value=CommandResult("", "", 0)) as run:
+        with patch(
+            "napalm_openwrt.openwrt.run_on_transport", return_value=CommandResult("", "", 0)
+        ) as run:
             drv.reboot_host()
 
         command = run.call_args.args[1]
@@ -96,8 +98,9 @@ class TestRebootHost:
     def test_a_refusal_is_raised(self):
         drv = _driver()
         failed = CommandResult("", "reboot: Operation not permitted", 1)
-        with patch("napalm_openwrt.openwrt.run_on_transport", return_value=failed), pytest.raises(
-            RuntimeError, match="not permitted"
+        with (
+            patch("napalm_openwrt.openwrt.run_on_transport", return_value=failed),
+            pytest.raises(RuntimeError, match="not permitted"),
         ):
             drv.reboot_host()