fix: build toolchain

Author: ratankaliani

.github/workflows/ci.yml

@@ -48,10 +48,10 @@ jobs:
       - name: Build
         run: |
           cd sp1/crates/cli
-          GITHUB_ACTIONS=false SP1_BUILD_DIR=$GITHUB_WORKSPACE cargo install --force --locked --path .
+          GITHUB_ACTIONS=false SP1_BUILD_DIR=$GITHUB_WORKSPACE cargo run --bin cargo-prove -- prove build-toolchain
 
       - name: Archive build output
         uses: actions/upload-artifact@v3
         with:
           name: rust-toolchain-${{ matrix.triple }}
-          path: sp1/cli/rust-toolchain-${{ matrix.triple }}.tar.gz
+          path: sp1/crates/cli/rust-toolchain-${{ matrix.triple }}.tar.gz