ref: fix some types in sentry.replays (#72894)

<!-- Describe your PR here. -->

Author: asottile-sentry

src/sentry/replays/lib/storage.py

@@ -131,7 +131,7 @@ def set(self, segment: RecordingSegmentStorageMeta, value: bytes) -> None:
         file.putfile(BytesIO(value), blob_size=settings.SENTRY_ATTACHMENT_BLOB_SIZE)
 
         try:
-            segment = ReplayRecordingSegment.objects.create(
+            ReplayRecordingSegment.objects.create(
                 project_id=segment.project_id,
                 replay_id=segment.replay_id,
                 segment_id=segment.segment_id,

src/sentry/replays/usecases/reader.py

@@ -80,7 +80,7 @@ def fetch_filestore_segments_meta(
     limit: int,
 ) -> list[RecordingSegmentStorageMeta]:
     """Return filestore metadata derived from our Postgres table."""
-    segments: list[ReplayRecordingSegment] = (
+    segments = (
         ReplayRecordingSegment.objects.filter(project_id=project_id, replay_id=replay_id)
         .order_by("segment_id")
         .all()[offset : limit + offset]