ci: Enable continuous benchmarks through codspeed

.github/workflows/codspeed.yml

@@ -0,0 +1,37 @@
+name: CodSpeed
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+  # `workflow_dispatch` allows CodSpeed to trigger backtest
+  # performance analysis in order to generate initial data.
+  workflow_dispatch:
+
+jobs:
+  benchmarks:
+    name: Run benchmarks
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install stable toolchain
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Install codspeed
+        uses: taiki-e/install-action@v2
+        with:
+          tool: cargo-codspeed
+
+      - name: Build benchmarks
+        run: cargo codspeed build
+
+      - name: Run benchmarks
+        uses: CodSpeedHQ/action@v3
+        with:
+          run: cargo codspeed run
+          token: ${{ secrets.CODSPEED_TOKEN }}

Cargo.toml

@@ -61,7 +61,7 @@ arbitrary = { version = "1", features = ["derive"] }
 assert2 = "0.3"
 colored = "2.1"
 clap = { version = "4", features = ["derive", "cargo", "wrap_help", "unicode", "string"] }
-criterion = { version = "0.5", features = ["html_reports"] }
+criterion = { package = "codspeed-criterion-compat", version = "2.7", features = ["html_reports"] }
 directories = "5"
 fs-err = "3.0"
 get-size2 = { version = "0.1.2", features = ["derive"] }