Update CI to use Foundry in order to make Anvil available in the runner

.github/workflows/ci.yml

@@ -18,6 +18,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: Swatinem/rust-cache@v2
+      - uses: foundry-rs/foundry-toolchain@v1
       - run: |
           cargo build -r --bin katana
           KATANA_RUNNER_BIN=$(pwd)/target/release/katana cargo llvm-cov nextest --no-report --all-features --workspace --exclude katana --build-jobs 20