Point hmac to the correct value (#580)

* Point hmac to the correct value

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

steam/http.py

@@ -1115,7 +1115,7 @@ async def send_media(self, media: Media, **kwargs: int) -> None:
             "success": 1,
             "ugcid": result["ugcid"],
             "timestamp": result["timestamp"],
-            "hmac": result["hmac"],
+            "hmac": resp["hmac"],
             "spoiler": int(media.spoiler),
         } | kwargs
         await self.post(URL.COMMUNITY / "chat/commitfileupload", data=payload)