bump codspeed action to v4 (#5892)

Author: adhami3310

.github/workflows/performance.yml

@@ -37,7 +37,7 @@ jobs:
         run: uv sync --all-extras --dev
 
       - name: Run benchmarks
-        uses: CodSpeedHQ/action@v3
+        uses: CodSpeedHQ/action@v4
         with:
-          token: ${{ secrets.CODSPEED_TOKEN }}
+          mode: instrumentation
           run: uv run pytest -v tests/benchmarks --codspeed