ci: run electron e2e on the latest runner

v4.17.7-alpha.2 isolates benchmarks with systemd-run, which fails on gen2
macro runners (no systemd as PID 1). v5 uses the machine's isolation hooks
and still supports the samply walltime profiler.

Author: not-matthias

.github/workflows/codspeed.yml

@@ -190,4 +190,4 @@ jobs:
           working-directory: examples/with-electron-and-walltime
           run: xvfb-run -a pnpm bench:electron
           mode: walltime
-          runner-version: v4.17.7-alpha.2
+          runner-version: latest