fix(loadtest): annotate latencies as list[float] to satisfy pyright

Author: yoon-park-rl

loadtest/h2_test.py

@@ -82,7 +82,7 @@ async def wrapped(idx: int) -> dict[str, object]:
     for c in clients:
         await c.aclose()
 
-    latencies = sorted(r["latency_ms"] for r in results)  # type: ignore[arg-type]
+    latencies: list[float] = sorted(r["latency_ms"] for r in results)  # type: ignore[arg-type]
     status_counts: dict[int, int] = {}
     for r in results:
         s = int(r["status"])  # type: ignore[arg-type]

loadtest/raw_fetch_test.py

@@ -71,7 +71,7 @@ async def send_one() -> dict[str, object]:
 
     await client.aclose()
 
-    latencies = sorted(r["latency_ms"] for r in results)  # type: ignore[arg-type]
+    latencies: list[float] = sorted(r["latency_ms"] for r in results)  # type: ignore[arg-type]
     status_counts: dict[str, int] = {}
     for r in results:
         key = str(r["status"]) if r["status"] is not None else "network_error"