⬆️ deps: Update CodSpeedHQ/action action to v4

Author: renovate[bot]

.github/workflows/unit-test.yml

@@ -45,7 +45,7 @@ jobs:
           just ci-test ${{ matrix.python-version }}
 
       - name: Run benchmarks
-        uses: CodSpeedHQ/action@v3
+        uses: CodSpeedHQ/action@v4
         if: ${{ matrix.python-version == '3.13' && github.event_name != 'merge_group' }}
         with:
           run: uv run -p ${{ matrix.python-version }} pytest --codspeed