Bump Codspeed to v4 (#2540)

* Bump pytest-codspeed lock version

* Bump Codspeed GitHub Action to v4

* Use Python 3.14 for benchmarks

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Co-authored-by: Antonio Spadaro <9268789+ilovelinux@users.noreply.github.com>

Author: ilovelinux

.github/workflows/codspeed.yaml

@@ -22,13 +22,14 @@ jobs:
       # https://github.com/astral-sh/uv/issues/11006
       - uses: actions/setup-python@v4
         with:
-          python-version: "3.13"
+          python-version: "3.14"
       - name: Install the latest version of uv
         uses: astral-sh/setup-uv@v5
       - name: Install dependencies
         run: uv sync --all-extras
       - name: Run benchmarks
-        uses: CodSpeedHQ/action@v3
+        uses: CodSpeedHQ/action@v4
         with:
           token: ${{ secrets.CODSPEED_TOKEN }}
           run: .venv/bin/pytest tests/ --codspeed -n auto
+          mode: "instrumentation"