enhance: Support old s3 sign method

[tosone]

[sre-ci-robot]

Welcome @tosone! It looks like this is your first PR to milvus-io/milvus 🎉

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[mergify[bot]]

@tosone Thanks for your contribution. Please submit with DCO, see the contributing guide https://github.com/milvus-io/milvus/blob/master/CONTRIBUTING.md#developer-certificate-of-origin-dco.

[tosone]

@bigsheeper Could you please review this PR? Thank you.

[mergify[bot]]

@tosone E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[mergify[bot]]

@tosone go-sdk check failed, comment rerun go-sdk can trigger the job again.

[tosone]

rerun go-sdk

[mergify[bot]]

@tosone go-sdk check failed, comment rerun go-sdk can trigger the job again.

[mergify[bot]]

@tosone go-sdk check failed, comment rerun go-sdk can trigger the job again.

[mergify[bot]]

@tosone E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions. Rotten issues close after 30d of inactivity. Reopen the issue with /reopen.