Fix new CI error

`val != ""` can be simplified to `not val` as an empty string is falsey

codespell_lib/_codespell.py

@@ -588,7 +588,7 @@ def parse_options(
             cfg_args.append(f"--{key}")
             # If value is blank, skip.
             val = config["codespell"][key]
-            if val != "":
+            if not val:
                 cfg_args.append(val)
 
         # Parse config file options.