chore: use staging ci

Author: not-matthias

.github/workflows/ci.yml

@@ -122,7 +122,8 @@ jobs:
           runner-branch: cod-1364-runner-sample-without-splitting-perfdata
           mode: walltime
           run: cargo codspeed run
-          token: ${{ secrets.CODSPEED_TOKEN }}
+          # token: ${{ secrets.CODSPEED_TOKEN }}
+          upload-url: https://api.staging.preview.codspeed.io/upload
 
   check:
     runs-on: ubuntu-latest