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.

README.md

@@ -58,11 +58,11 @@ with Driver(
 
     # OS-specific methods (from napalm-device-types OSDriver)
     packages = dev.get_packages()
-    updates  = dev.get_pending_updates()
+    updates = dev.get_pending_updates()
     services = dev.get_services()
-    users    = dev.get_os_users()
-    procs    = dev.get_processes()
-    jobs     = dev.get_cron_jobs()
+    users = dev.get_os_users()
+    procs = dev.get_processes()
+    jobs = dev.get_cron_jobs()
 
     # Upgrade specific packages
     result = dev.apply_updates(["openssh-server", "curl"])
@@ -121,7 +121,7 @@ apt → dnf → yum → apk → pacman
 Force a specific package manager:
 
 ```python
-optional_args={"pkg_manager": "dnf"}
+optional_args = {"pkg_manager": "dnf"}
 ```
 
 ## SSH user permissions