use ubuntu-latest-16-cores because alpine on arm fails on timeout on ubuntu-latest-8-cores after 6 hours

Author: maxb-io

.github/workflows/pre-merge.yml

@@ -7,7 +7,7 @@ on:
 
 jobs:
   build-and-test:
-    runs-on: [ubuntu-latest-8-cores]
+    runs-on: [ubuntu-latest-16-cores]
     strategy:
       matrix:
         distribution: