Update README.md

[axiangcoding]

related to https://github.com/zilliztech/milvus-backup/issues/269

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: axiangcoding

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[sre-ci-robot]

Welcome @axiangcoding! It looks like this is your first PR to zilliztech/milvus-backup 🎉

[mergify[bot]]

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

[zhuwenxing]

Thanks for your contribution! Please use git commit -sm to make DCO pass, thx! https://docs.github.com/en/authentication/managing-commit-signature-verification/signing-commits

[axiangcoding]

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

Thanks. i will check this later.

[axiangcoding]

seems like i need to assign all commits. i will open a new PR later