chore: adhere to ruff's "N" rules (#2377)

* chore: adhere to ruff's "N" rules

WARN: reinstall failing extensions!

bunch of more consistent variable naming. inspired by this issue.
https://github.com/lnbits/lnbits/issues/2308

* fixup! chore: adhere to ruff's "N" rules
* rename to funding_source
* skip jmeter

---------

Co-authored-by: Pavol Rusnak <pavol@rusnak.io>

lnbits/db.py

@@ -140,14 +140,14 @@ class Connection(Compat):
 
     def rewrite_values(self, values):
         # strip html
-        CLEANR = re.compile("<.*?>|&([a-z0-9]+|#[0-9]{1,6}|#x[0-9a-f]{1,6});")
+        clean_regex = re.compile("<.*?>|&([a-z0-9]+|#[0-9]{1,6}|#x[0-9a-f]{1,6});")
 
         # tuple to list and back to tuple
         raw_values = [values] if isinstance(values, str) else list(values)
         values = []
         for raw_value in raw_values:
             if isinstance(raw_value, str):
-                values.append(re.sub(CLEANR, "", raw_value))
+                values.append(re.sub(clean_regex, "", raw_value))
             elif isinstance(raw_value, datetime.datetime):
                 ts = raw_value.timestamp()
                 if self.type == SQLITE: