Update to cairo 2.0.0

[tarrencev]

Currently panics with:

> scripts/clippy.sh                                                                                  
   Compiling dojo-test-utils v0.1.0 (/Users/tarrence/code/dojo/crates/dojo-test-utils)
    Checking sozo v0.1.0 (/Users/tarrence/code/dojo/crates/sozo)
error: failed to run custom build command for `dojo-test-utils v0.1.0 (/Users/tarrence/code/dojo/crates/dojo-test-utils)`

Caused by:
  process didn't exit successfully: `/Users/tarrence/code/dojo/target/debug/build/dojo-test-utils-aa837c7b5e83edc4/build-script-build` (exit status: 101)
  --- stdout
      Updating git repository /~https://github.com/dojoengine/dojo
       Running git fetch --verbose --force --update-head-ok /~https://github.com/dojoengine/dojo +HEAD:refs/remotes/origin/HEAD
       Running git clone --local --verbose --config core.autocrlf=false --recurse-submodules /var/folders/1l/7yd_tn7s2mbc_w7z9b8fp4fc0000gn/T/.tmpzieCpJ/registry/git/db/dojo-dvdc4757v8eai.git /var/folders/1l/7yd_tn7s2mbc_w7z9b8fp4fc0000gn/T/.tmpzieCpJ/registry/git/checkouts/dojo-dvdc4757v8eai/b2bb39f
       Running git reset --hard b2bb39f357bc47b811283465f4173aa33594b5bd
     Compiling dojo_examples v0.1.0 (/Users/tarrence/code/dojo/examples/ecs/Scarb.toml)
  error: problem computing class hash for contract `MovesComponent`

  Caused by:
      error parsing Sierra class: missing field `inputs` at line 1 column 388

  --- stderr
  thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: could not compile `dojo_examples` due to previous error', crates/dojo-test-utils/build.rs:32:23
  note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace