fix: gcp repository upload

Author: badayvedat

projects/fal/src/fal/toolkit/file/providers/gcp.py

@@ -55,7 +55,9 @@ def save(self, data: FileData) -> str:
         destination_path = os.path.join(self.folder, file_name)
 
         gcp_blob = self.bucket.blob(destination_path)
-        gcp_blob.upload_from_string(data.data, content_type=data.content_type)
+
+        with data.data as file:
+            gcp_blob.upload_from_file(file, content_type=data.content_type)
 
         if self.url_expiration is None:
             return gcp_blob.public_url