chore: use latest runner on staging

Author: not-matthias

.github/workflows/ci.yml

@@ -89,6 +89,8 @@ jobs:
           mode: ${{ matrix.codspeed-mode }}
           run: examples/google_benchmark_cmake/build/benchmark_example
           token: ${{ secrets.CODSPEED_TOKEN }}
+          runner-version: v4.3.0-beta.0
+          upload-url: https://api.staging.preview.codspeed.io/upload
 
   bazel-integration-tests:
     strategy:
@@ -127,6 +129,8 @@ jobs:
           mode: ${{ matrix.codspeed-mode }}
           run: bazel run //examples/google_benchmark_bazel:my_benchmark --//core:codspeed_mode=${{ matrix.codspeed-mode }} --//core:strict_warnings=on
           token: ${{ secrets.CODSPEED_TOKEN }}
+          runner-version: v4.3.0-beta.0
+          upload-url: https://api.staging.preview.codspeed.io/upload
 
   cmake-build:
     strategy: