ENH: allow to pass input file without named argument

.github/workflows/benchmark.yaml

@@ -3,6 +3,7 @@ on:
   push:
     branches:
       - main
+  pull_request:
 
 permissions:
   contents: write
@@ -12,9 +13,6 @@ jobs:
   benchmark:
     name: Run pytest-benchmark
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python-version: ["3.10"]
     steps:
     - name: Checkout Code
       uses: actions/checkout@v4
@@ -23,27 +21,15 @@ jobs:
     - name: Setup Python
       uses: actions/setup-python@v5
       with:
-        python-version: ${{ matrix.python-version }}
+        python-version: 3.12
     - name: Install requirements (Python 3)
       run: |
-        pip install -r requirements/ci.txt
+        pip install -r requirements/ci-3.11.txt
     - name: Install pypdf
       run: |
         pip install .
-    - name: Run benchmark
-      run: |
-        pytest tests/bench.py --benchmark-json output.json
-    - name: Store benchmark result
-      uses: benchmark-action/github-action-benchmark@v1
+    - name: Run benchmarks
+      uses: CodSpeedHQ/action@v2
       with:
-        name: Python Benchmark with pytest-benchmark
-        tool: 'pytest'
-        output-file-path: output.json
-        # Use personal access token instead of GITHUB_TOKEN due to https://github.community/t/github-action-not-triggering-gh-pages-upon-push/16096
-        github-token: ${{ secrets.GITHUB_TOKEN }}
-        auto-push: true
-        # Show alert with commit comment on detecting possible performance regression
-        alert-threshold: '200%'
-        comment-on-alert: true
-        fail-on-alert: true
-        alert-comment-cc-users: '@MartinThoma'
+        token: ${{ secrets.CODSPEED_TOKEN }}
+        run: pytest tests/bench.py --codspeed