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

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

Author: tariq1890

.github/workflows/image.yaml

@@ -18,13 +18,13 @@ name: image
 on:
   push:
     branches:
-      - "pull-request/[0-9]+"
       - main
+      - "pull-request/[0-9]+"
       - release-*
 
 jobs:
   image:
-    runs-on: ubuntu-latest
+    runs-on: linux-amd64-cpu4
     strategy:
       matrix:
         driver:
@@ -81,6 +81,8 @@ jobs:
           image: tonistiigi/binfmt:qemu-v6.2.0
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
+        with:
+          buildkitd-config: /etc/buildkit/buildkitd.toml
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3
         with:
@@ -95,7 +97,7 @@ 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: 
@@ -158,6 +160,8 @@ jobs:
           image: tonistiigi/binfmt:qemu-v6.2.0
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
+        with:
+          buildkitd-config: /etc/buildkit/buildkitd.toml
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3
         with: