ci: add bench github action

Author: serkodev

.github/workflows/bench.yml

@@ -0,0 +1,26 @@
+name: bench
+
+on:
+  workflow_dispatch:
+
+jobs:
+  bench:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: pnpm/action-setup@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: pnpm
+
+      - run: pnpm install --frozen-lockfile
+      - run: pnpm run build
+
+      - name: Run benchmarks
+        run: pnpm -F bench run bench --run
+        env:
+          CI: true