fix boto3 resource not close (#55082)
Summary:
Test Plan
GHA CI
Pull Request resolved: https://github.com/pytorch/pytorch/pull/55082
Reviewed By: samestep
Differential Revision: D27475006
Pulled By: walterddr
fbshipit-source-id: ccf50ea0b15ea6840e593a2c056ed2b388a96c52
Author
Rong Rong (AI Infra)
