chore: use latest runner on staging

Author: not-matthias

.github/workflows/ci.yml

@@ -131,7 +131,9 @@ jobs:
         with:
           run: cargo codspeed run
           mode: instrumentation
-          token: ${{ secrets.CODSPEED_TOKEN }}
+          # token: ${{ secrets.CODSPEED_TOKEN }}
+          runner-version: v4.3.0-beta.0
+          upload-url: https://api.staging.preview.codspeed.io/upload
 
   compat-integration-test-walltime:
     runs-on: codspeed-macro
@@ -165,7 +167,9 @@ jobs:
         with:
           run: cargo codspeed run
           mode: walltime
-          token: ${{ secrets.CODSPEED_TOKEN }}
+          # token: ${{ secrets.CODSPEED_TOKEN }}
+          runner-version: v4.3.0-beta.0
+          upload-url: https://api.staging.preview.codspeed.io/upload
 
   musl-build-check:
     strategy: