bug(throttle): incorrectly usage of RateLimiter::check

[MrCroxx]

Describe the bug

With crate governor, the RateLimiter::check function also updates the quota.

https://docs.rs/governor/latest/src/governor/state/direct.rs.html#75-82

However, in RisingWave, we are using it to check if the rate limiter can allow the current row without willing to update the quota. In this case, the real throughput is lower than expected.

Error message/log

No response

To Reproduce

No response

Expected behavior

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How did you deploy RisingWave?

No response

The version of RisingWave

No response

Additional context

No response

[MrCroxx]

Checked again. governor only upates quota when check allows the request, it is okay if we don't call until again.