Run benchmarks on RPC service
#### Context This task aims to run benchmarks on the Secret Detection RPC service. We will use [ghz](https://ghz.sh/), a CLI-based tool to perform RPC benchmarking. #### Expectations For a fixed request input size of `40KB` (3 payloads - `15KB`+ `15KB`+ `10KB`) - [x] [Determine Latency bandwidth (AVG, p90, p95, and p99), CPU, and memory consumption metrics for both clean and leaky data.](https://gitlab.com/gitlab-org/gitlab/-/work_items/468107#note_2116305265) - [x] [For a minimum resource size, determine the maximum requests the service can serve for clean and leaky data.](https://gitlab.com/gitlab-org/gitlab/-/work_items/468107#note_2124759457) - [x] [Determining the Secret Detection Service's Resource size](https://gitlab.com/gitlab-org/gitlab/-/work_items/468107#note_2125371419)
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