add workflow for running the benchmark process

.github/workflows/benchmark.yml

@@ -0,0 +1,37 @@
+name: Benchmark
+
+on:
+  workflow_dispatch:
+
+permissions:
+  id-token: write
+  contents: write
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v3
+        with:
+          version: "0.5.*" 
+          enable-cache: true
+
+      - name: Install dependencies
+        run: |
+          uv sync 
+          git restore .
+
+      - name: Run benchmark
+        run: |
+          uv run pytest -vv --benchmark-only --benchmark-json benchmark.json
+
+      - name: Commit benchmark results
+        run: |
+          git config --local user.email "github-actions[bot]@users.noreply.github.com"
+          git config --local user.name "github-actions[bot]"
+          git add benchmark.json
+          git commit -m "Update benchmark results" || echo "No changes to commit"
+          git push