find the most performant http client

[YassinEldeeb]

we wanna have a benchmark showcasing all of the available http client, to help us in choosing the fastest.
our main overhead in Conductor as a gateway layer relies within fetching sources. if we can replace our current http client which is reqwest with something 2-10X faster, we've roughly proportionally made Conductor faster at the same ratio.
https://github.com/YassinEldeeb/rust-embedded-langs-vs-native-benchmark