fix: curl timeout

wifi4eu.login

@@ -10,7 +10,7 @@ trm_maxwait="$(uci_get travelmate global trm_maxwait "30")"
 # initial request to get login url
 trm_url="$($trm_fetch "$trm_captiveurl" \
   --user-agent "$trm_useragent" \
-  --connect-timeout "$trm_maxwait" \
+  --connect-timeout $((trm_maxwait / 6)) \
   -Ls \
   -o /dev/null \
   -w '%{url_effective}')"
@@ -22,7 +22,7 @@ set -- $trm_url
 $trm_fetch "$1?$2" \
   -X POST \
   --user-agent "$trm_useragent" \
-  --connect-timeout "$trm_maxwait" \
+  --connect-timeout $((trm_maxwait / 6)) \
   -Ls \
   -o /dev/null \
   -w '%{http_code}' \