requirements: Upgrade Python requirements.

Signed-off-by: Anders Kaseorg <anders@zulip.com>

scripts/lib/zulip_tools.py

@@ -475,7 +475,7 @@ def get_tzdata_zi() -> IO[str]:
     for path in zoneinfo.TZPATH:
         filename = os.path.join(path, "tzdata.zi")
         if os.path.exists(filename):
-            return open(filename)  # noqa: SIM115
+            return open(filename)
     raise RuntimeError("Missing time zone data (tzdata.zi)")