wip: use custom runner for memory profiling

Author: not-matthias

.github/workflows/codspeed.yml

@@ -47,6 +47,7 @@ jobs:
             pnpm --workspace-concurrency 1 -r bench-benchmark-js
             pnpm --workspace-concurrency 1 -r bench-vitest
           upload-url: https://api.staging.preview.codspeed.io/upload
+          runner-version: branch:cod-2106-support-memory-profiling-for-nodejs
 
   codspeed-walltime:
     name: Run CodSpeed walltime