Options rewrite

[conorbros]

Shotover does not support compression in Cassandra yet. Changes in this PR:

• Reject STARTUP messages if they attempt to use compression.
• Add a transform for rewriting the SUPPORTED response to OPTIONS requests so users can disable compression

[rukai]

This PR contains two separate large new features, they should be landed in two separate PRs.

For the second feature I'm not quite sure what the use case is?
Like is there a reason the user would particularly care about what cassandra reports? Do drivers fallback if compression is reported as unsupported?

Also while a quick hack to make shotover handle its lack of compression support more professionally is welcome, if doing so ends up quite complicated we are better off just adding the compression support in the first place.

[conorbros]

I'll split these into 2 PR's but address those comments here.

Here's an example of a driver checking the OPTIONS response before connecting.

https://github.com/scylladb/scylla-rust-driver/blob/ce9654473f713310290e42321d289daa6b3766ed/scylla/src/transport/connection.rs#L1210

Regardless it makes sense to not break the protocol, we should not be reporting compression supported if it's not. This is a temporary fix, the plan is to introduce full compression support.

[conorbros]

Opened #989, #990, #991