ci: fix failing vweb_test.v

examples/get_weather/get_weather.v

@@ -41,7 +41,7 @@ fn main() {
 	url := 'https://api.caiyunapp.com/v2.5/96Ly7wgKGq6FhllM/116.391912,40.010711/weather.jsonp?hourlysteps=120&random=$rnd'
 	// println(url)
 
-	resp := http.fetch(url, config) or {
+	resp := http.fetch(http.FetchConfig{ ...config, url: url }) or {
 		println('failed to fetch data from the server')
 		return
 	}

examples/web_crawler/web_crawler.v

@@ -6,7 +6,7 @@ fn main() {
 	config := http.FetchConfig{
 		user_agent: 'Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:88.0) Gecko/20100101 Firefox/88.0'
 	}
-	resp := http.fetch('https://tuicool.com', config) or {
+	resp := http.fetch(http.FetchConfig{ ...config, url: 'https://tuicool.com' }) or {
 		println('failed to fetch data from the server')
 		return
 	}

vlib/net/http/http_httpbin_test.v

@@ -23,7 +23,7 @@ fn http_fetch_mock(_methods []string, _config FetchConfig) ?[]Response {
 	for method in methods {
 		lmethod := method.to_lower()
 		config.method = method_from_str(method)
-		res := fetch(url + lmethod, config) ?
+		res := fetch(FetchConfig{ ...config, url: url + lmethod }) ?
 		// TODO
 		// body := json.decode(HttpbinResponseBody,res.text)?
 		result << res

vlib/vweb/tests/vweb_test.v

@@ -212,7 +212,8 @@ Content-Disposition: form-data; name=\"$name\"
 $contents
 --------------------------$boundary--
 "
-	mut x := http.fetch('http://127.0.0.1:$sport/form_echo',
+	mut x := http.fetch(
+		url: 'http://127.0.0.1:$sport/form_echo'
 		method: .post
 		header: http.new_header(
 			key: .content_type
@@ -238,7 +239,8 @@ fn test_http_client_shutdown_does_not_work_without_a_cookie() {
 fn testsuite_end() {
 	// This test is guaranteed to be called last.
 	// It sends a request to the server to shutdown.
-	x := http.fetch('http://127.0.0.1:$sport/shutdown',
+	x := http.fetch(
+		url: 'http://127.0.0.1:$sport/shutdown'
 		method: .get
 		cookies: {
 			'skey': 'superman'