ci: install cargo-risczero

Author: MarcosNicolau

.github/workflows/build-and-test-rust.yml

@@ -36,7 +36,8 @@ jobs:
          curl -L https://risczero.com/install | bash
          source /home/runner/.bashrc
          /home/runner/.risc0/bin/rzup install
-         rustup target add riscv32im-risc0-zkvm-elf
+         /home/runner/.risc0/bin/rzup install cargo-risczero 2.0.1
+         /home/runner/.risc0/bin/rzup default cargo-risczero 2.0.1
 
       - name: Cache Rust dependencies
         uses: actions/cache@v3
@@ -101,7 +102,8 @@ jobs:
          curl -L https://risczero.com/install | bash
          source /home/runner/.bashrc
          /home/runner/.risc0/bin/rzup install
-         rustup target add riscv32im-risc0-zkvm-elf
+         /home/runner/.risc0/bin/rzup install cargo-risczero 2.0.1
+         /home/runner/.risc0/bin/rzup default cargo-risczero 2.0.1
 
       - name: Cache Rust dependencies
         uses: actions/cache@v3