ci: increase more runner sizes

Author: jharvey10

.github/workflows/check-containers.yml

@@ -6,7 +6,7 @@ on:
 jobs:
   check-linux-containers:
     name: Check Linux container (${{ matrix.name }})
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-8-cores
     strategy:
       matrix:
         include: