fix: unify default latency test URL and update workflows/backend logic

- All delay test logic, Rust MihomoManager, API, cmds, delay.ts, settings, and group editor now use the Cloudflare 204 test URL
- Fixed outdated URLs in docs and comments
- Fix Github Actions workflow: unexpected neeeds run

src/components/profile/groups-editor-viewer.tsx

@@ -454,7 +454,7 @@ export const GroupsEditorViewer = (props: Props) => {
                       <ListItemText primary={t("Health Check Url")} />
                       <TextField
                         autoComplete="new-password"
-                        placeholder="https://www.gstatic.com/generate_204"
+                        placeholder="https://cp.cloudflare.com/generate_204"
                         size="small"
                         sx={{ width: "calc(100% - 150px)" }}
                         {...field}

src/components/setting/mods/misc-viewer.tsx

@@ -216,7 +216,7 @@ export const MiscViewer = forwardRef<DialogRef>((props, ref) => {
             spellCheck="false"
             sx={{ width: 250, marginLeft: "auto" }}
             value={values.defaultLatencyTest}
-            placeholder="https://www.gstatic.com/generate_204"
+            placeholder="https://cp.cloudflare.com/generate_204"
             onChange={(e) =>
               setValues((v) => ({ ...v, defaultLatencyTest: e.target.value }))
             }

src/services/api.ts

@@ -83,7 +83,7 @@ export const getProxyDelay = async (
 ) => {
   const params = {
     timeout: timeout || 10000,
-    url: url || "https://www.gstatic.com/generate_204",
+    url: url || "https://cp.cloudflare.com/generate_204",
   };
   const instance = await getAxios();
   const result = await instance.get(
@@ -274,7 +274,7 @@ export const getGroupProxyDelays = async (
 ) => {
   const params = {
     timeout: timeout || 10000,
-    url: url || "https://www.gstatic.com/generate_204",
+    url: url || "https://cp.cloudflare.com/generate_204",
   };
 
   console.log(

src/services/cmds.ts

@@ -183,7 +183,7 @@ export async function cmdGetProxyDelay(
   url?: string,
 ) {
   // 确保URL不为空
-  const testUrl = url || "https://www.gstatic.com/generate_204";
+  const testUrl = url || "https://cp.cloudflare.com/generate_204";
   console.log(
     `[API] 调用延迟测试API，代理: ${name}, 超时: ${timeout}ms, URL: ${testUrl}`,
   );

src/services/delay.ts

@@ -23,7 +23,7 @@ class DelayManager {
       `[DelayManager] 获取测试URL，组: ${group}, URL: ${url || "未设置"}`,
     );
     // 如果未设置URL，返回默认URL
-    return url || "https://www.gstatic.com/generate_204";
+    return url || "https://cp.cloudflare.com/generate_204";
   }
 
   setListener(name: string, group: string, listener: (time: number) => void) {