use 3.12 for tracing

Author: khvn26

.github/workflows/pull-request.yml

@@ -66,7 +66,7 @@ jobs:
           show_missing: true
 
       - name: Run Benchmarks
-        if: ${{ matrix.python-version == '3.9' }}
+        if: ${{ matrix.python-version == '3.12' }}
         uses: CodSpeedHQ/action@v3
         with:
           token: ${{ secrets.CODSPEED_TOKEN }}