[CI] use nv-hosted action runners for image builds

Signed-off-by: Tariq Ibrahim <[email protected]>

Author: tariq1890

.github/workflows/image.yaml

@@ -16,21 +16,15 @@
 name: image
 
 on:
-  pull_request:
-    types:
-      - opened
-      - synchronize
-    branches:
-      - main
-      - release-*
   push:
     branches:
       - main
+      - "pull-request/[0-9]+"
       - release-*
 
 jobs:
   image:
-    runs-on: ubuntu-latest
+    runs-on: linux-amd64-cpu4
     strategy:
       matrix:
         driver:
@@ -101,7 +95,7 @@ jobs:
           DRIVER_VERSIONS=${{ matrix.driver }} make build-${{ matrix.dist }}-${{ matrix.driver }}
 
   pre-compiled:
-    runs-on: ubuntu-latest
+    runs-on: linux-amd64-cpu4
     strategy:
       matrix:
         driver: