docs: fix deployments path in README

[dublc]

What type of PR is this? /kind documentation

What this PR does / why we need it: Correct the deployments path from HAMi/deployments to HAMi/benchmarks/deployments.

Which issue(s) this PR fixes: Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

[archlitchi]

thanks:) that's a nice PR

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

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unittests	27.22% <ø> (ø)

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