[release-1.24] fix: inherit os environment when calling blobfuse2 in blobfuse-proxy

[k8s-infra-cherrypick-robot]

This is an automated cherry-pick of #1607

/assign andyzhangx

fix: inherit os environment when calling blobfuse2 in blobfuse-proxy

[andyzhangx]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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[k8s-ci-robot]

@k8s-infra-cherrypick-robot: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-blob-csi-driver-external-e2e-nfs	e454d94	link	unknown	/test pull-blob-csi-driver-external-e2e-nfs

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