feat(app-backend): key circuit breaker by URI path pattern (#6383)

* feat(app-lib): split `FetchFence` on base URI path

* chore: fmt

* fix(app-lib): fix test timing

packages/app-lib/src/state/mr_auth.rs

@@ -36,6 +36,7 @@ impl ModrinthCredentials {
                     Some(("Authorization", &*creds.session)),
                     None,
                     None,
+                    Some("/v2/session/refresh"),
                     semaphore,
                     exec,
                 )
@@ -228,6 +229,7 @@ async fn fetch_info(
         Some(("Authorization", token)),
         None,
         None,
+        Some("/v2/user"),
         semaphore,
         exec,
     )