feat: add codspeed walltime benchmark

.github/workflows/benchmark.yml

@@ -55,3 +55,38 @@ jobs:
         with:
           run: cargo codspeed run
           token: ${{ secrets.CODSPEED_TOKEN }}
+  walltime:
+    name: Wall-time
+    runs-on: codspeed-macro
+    steps:
+      - name: Checkout Branch
+        uses: taiki-e/checkout-action@v1
+
+      - uses: pnpm/action-setup@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version-file: .node-version
+          cache: pnpm
+
+      - name: Setup benchmark data
+        run: cd benches && pnpm install --ignore-workspace
+
+      - uses: Boshen/setup-rust@main
+        with:
+          cache-key: benchmark
+          save-cache: ${{ github.ref_name == 'main' }}
+          tools: cargo-codspeed
+
+      - uses: ./.github/actions/pnpm
+      - name: Build Benchmark
+        env:
+          RUSTFLAGS: "-C debuginfo=1 -C strip=none -g"
+        run: cargo codspeed build
+
+      - name: Run benchmark
+        uses: CodSpeedHQ/action@v3
+        timeout-minutes: 30
+        with:
+          run: cargo codspeed run
+          token: ${{ secrets.CODSPEED_TOKEN }}