ci: cache benchmark executable

Author: GuillaumeLagrange

.github/workflows/ci.yml

@@ -66,9 +66,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: moonrepo/setup-rust@v1
+
+      - name: 'Install rust-toolchain.toml'
+        run: rustup toolchain install
+      - uses: Swatinem/rust-cache@v2
+      - name: Install cargo codspeed
+        uses: taiki-e/install-action@v2
         with:
-          bins: cargo-codspeed
+          tool: cargo-codspeed
+
       - name: Build benchmarks
         run: cargo codspeed build -p runner-shared
       - name: Run benchmarks