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_sudo_off_the_command_line.py

@@ -30,7 +30,7 @@ class Channel:
     """An exec channel answering with *output* and *status*; it refuses a line
     that holds the password, which is what ``ps`` would show."""
 
-    def __init__(self, host: "Transport"):
+    def __init__(self, host: Transport):
         self.host = host
         self.command = ""
         self.stdin = b""