Fix web-platform-tests#11454: Set --verify-log-full to False for ci/c…

…heck_stability.py

I'm not entirely sure why web-platform-tests#10988 made this default to on, given that
was a change of behaviour from before, so let's turn it back off
given it's causing breakage, as documented in web-platform-tests#11454.

tools/ci/check_stability.py

@@ -270,7 +270,7 @@ def run(venv, wpt_args, **kwargs):
         wpt_kwargs["install"] = wpt_kwargs["product"].split(":")[0] == "firefox"
 
         wpt_kwargs["pause_after_test"] = False
-        wpt_kwargs["verify_log_full"] = True
+        wpt_kwargs["verify_log_full"] = False
         if wpt_kwargs["repeat"] == 1:
             wpt_kwargs["repeat"] = 10