Typo: Ovveride → Override (#12604)

tools/wpt/run.py

@@ -92,7 +92,7 @@ def args_general(kwargs):
 def check_environ(product):
     if product not in ("firefox", "servo"):
         config_builder = serve.build_config(os.path.join(wpt_root, "config.json"))
-        # Ovveride the ports to avoid looking for free ports
+        # Override the ports to avoid looking for free ports
         config_builder.ssl = {"type": "none"}
         config_builder.ports = {"http": [8000]}