ci: disable profiler in macos-basic-run-test

samply requires task_for_pid privileges that GitHub's macOS runners
don't grant, causing "Could not obtain the root task". The job only
exercises the walltime executor plumbing, so run it with
CODSPEED_PROFILER_ENABLED=false.

Author: not-matthias

.github/workflows/ci.yml

@@ -80,6 +80,9 @@ jobs:
           cargo install --path crates/exec-harness --locked
 
       - name: Run tests
+        env:
+          # Profiling system commands (e.g. `ls`) with samply is not yet supported on MacOS
+          CODSPEED_PROFILER_ENABLED: "false"
         run: cargo run -- exec -m walltime --skip-upload --warmup-time 0s --max-rounds 5 -- ls -la
 
   bpf-tests: