make spartan generic over the evaluation engine

update version

disable Wasm CI check

* Clippy with Rust 1.67

* Clippy/Rustfmt with Rust 1.66.1

* make ecc gadgets defined over Group rather than PrimeField

* use curve parameters from Group trait

* integrate with neptune's sponge

* fix clippy warning

* add checks to ensure at most one squeeze

* add checks to ensure at most one squeeze

* rename methods for better clarity

* rename

* Bump version

* cleanup RO usage inside the circuit: use traits

* Add a note

* rename types for clarity

* recursion APIs (WIP)

* PublicParams struct and associated new

* fix build

* draft of APIs

* start with tests

* add a test case for the base case of recursion

* output the incoming instance as the running instance in one of the circuits

* Make some verifier circuit inputs optional (for base case)

* add hash(params, U, z0, zi, i) when generating a challenge

* address clippy

* make gadgets public, expose coords, cleanup

* fix clippy

* update crate versions

* refactor

* small tweaks

* run cargo fmt

* fix comments

* remove unused code

* address clippy

Co-authored-by: Srinath Setty <srinath@microsoft.com>