Change auth servers reachable check URL (#4830)

Author: aecsocket

packages/app-lib/src/api/minecraft_auth.rs

@@ -9,10 +9,10 @@ use crate::util::fetch::REQWEST_CLIENT;
 #[tracing::instrument]
 pub async fn check_reachable() -> crate::Result<()> {
     let resp = REQWEST_CLIENT
-        .get("https://api.minecraftservices.com/entitlements/mcstore")
+        .get("https://sessionserver.mojang.com/session/minecraft/hasJoined")
         .send()
         .await?;
-    if resp.status() == StatusCode::UNAUTHORIZED {
+    if resp.status() == StatusCode::NO_CONTENT {
         return Ok(());
     }
     resp.error_for_status()?;