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

@@ -57,7 +57,7 @@ API keys**.
 Pass the credentials via `optional_args`:
 
 ```python
-optional_args={
+optional_args = {
     "api_key": "your-api-key",
     "api_secret": "your-api-secret",
     "verify": False,  # set to a CA bundle path or True in production
@@ -173,9 +173,9 @@ d.open()
 routes = json.dumps([{"network": "10.0.0.0/8", "gateway": "WAN_GW"}])
 d.load_merge_candidate(config=routes)
 
-print(d.compare_config())   # unified diff
-d.commit_config()           # applies routes and calls reconfigure
-d.rollback()                # removes the routes just added
+print(d.compare_config())  # unified diff
+d.commit_config()  # applies routes and calls reconfigure
+d.rollback()  # removes the routes just added
 d.close()
 ```