ci: switch to ubuntu-24.04-arm

Author: not-matthias

.github/workflows/codspeed.yml

@@ -9,7 +9,7 @@ on:
 
 jobs:
   benchmarks:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04-arm
     timeout-minutes: 15
     strategy:
       fail-fast: false