wip: use latest runner for flamegraphs

Author: not-matthias

.github/workflows/ci.yml

@@ -86,9 +86,14 @@ jobs:
       - name: Run the benchmarks
         uses: CodSpeedHQ/action@main
         with:
-          run: cargo r --release --manifest-path ../go-runner/Cargo.toml -- test -bench=BenchmarkFibonacciDarwin example -benchtime=500ms
+          run: |
+            echo "PATH=$PATH"
+            which -a go
+            go env GOROOT || echo "go env GOROOT exited $?"
+            cargo r --release --manifest-path ../go-runner/Cargo.toml -- test -bench=BenchmarkFibonacciDarwin example -benchtime=500ms
           working-directory: example
           mode: walltime
+          runner-version: branch:main
 
   go-runner-benchmarks:
     runs-on: codspeed-macro