ci: add risc0 installation task

Signed-off-by: Jun Kimura <jun.kimura@datachain.jp>

Author: bluele

.github/workflows/test.yml

@@ -15,5 +15,9 @@ jobs:
       - uses: Swatinem/rust-cache@v2
       - run: cargo test
       - run: cargo test --manifest-path=./zkvm/risc0/Cargo.toml -- --nocapture
+      - name: RISC Zero installation
+        run: |
+          curl -L https://risczero.com/install | bash
+          source ~/.bashrc && rzup install cargo-risczero v1.2.2
       - run: ZKDCAP_RISC0_BUILD=1 cargo build -r --manifest-path=./zkvm/risc0/Cargo.toml
       - run: git diff --exit-code