Fix codspeed warning (#1527)

Author: hynek

.github/workflows/codspeed.yml

@@ -39,8 +39,8 @@ jobs:
       - uses: hynek/setup-cached-uv@757bedc3f972eb7227a1aa657651f15a8527c817 # v2.3.0
 
       - name: Run CodSpeed benchmarks
-        uses: CodSpeedHQ/action@2ac572851726409c88c02a307f1ea2632a9ea59b # v4.11.0
+        uses: CodSpeedHQ/action@281164b0f014a4e7badd2c02cecad9b595b70537 # v4.11.1
         with:
-          mode: instrumentation
+          mode: simulation
           token: ${{ secrets.CODSPEED_TOKEN }}
           run: uvx --with tox-uv tox run -e codspeed