remove explicit permissions from the image yaml file

Signed-off-by: Karthikeyan Valliyurnatt <kvalliyurnat@nvidia.com>

Author: kvalliyurnatt

.github/workflows/image.yaml

@@ -22,10 +22,6 @@ on:
       - "pull-request/[0-9]+"
       - release-*
 
-permissions:
-  contents: read
-  packages: write
-
 jobs:
   image:
     runs-on: linux-${{ matrix.arch }}-cpu4
@@ -34,11 +30,11 @@ jobs:
         arch:
           - amd64
           - arm64
-        driver:
+        driver: &driver-versions
           - 580.178.04
           - 595.91.07
           - 610.57.04
-        dist:
+        dist: &distributions
           - ubuntu22.04
           - ubuntu24.04
           - ubuntu26.04
@@ -50,7 +46,7 @@ jobs:
           - rocky10
         ispr:
           - ${{github.event_name == 'pull_request'}}
-        exclude:
+        exclude: &unsupported-images
           - dist: ubuntu26.04
             driver: 580.178.04
       fail-fast: false
@@ -103,6 +99,12 @@ jobs:
     if: github.actor != 'dependabot[bot]'
     needs: image
     runs-on: linux-amd64-cpu4
+    strategy:
+      matrix:
+        driver: *driver-versions
+        dist: *distributions
+        exclude: *unsupported-images
+      fail-fast: false
     steps:
       - name: Calculate manifest vars
         run: |
@@ -121,21 +123,10 @@ jobs:
       - name: Create multi-architecture manifest
         run: |
           IMAGE_NAME="ghcr.io/${LOWERCASE_REPO_OWNER}/driver"
-          DRIVERS=(580.178.04 595.91.07 610.57.04)
-          DISTRIBUTIONS=(ubuntu22.04 ubuntu24.04 ubuntu26.04 rhel8 rhel9 rhel10 rocky8 rocky9 rocky10)
-
-          for DRIVER in "${DRIVERS[@]}"; do
-            for DIST in "${DISTRIBUTIONS[@]}"; do
-              if [[ "$DRIVER" == "580.178.04" && "$DIST" == "ubuntu26.04" ]]; then
-                continue
-              fi
-
-              docker buildx imagetools create \
-                --tag "${IMAGE_NAME}:${COMMIT_SHORT_SHA}-${DRIVER}-${DIST}" \
-                "${IMAGE_NAME}:${COMMIT_SHORT_SHA}-amd64-${DRIVER}-${DIST}" \
-                "${IMAGE_NAME}:${COMMIT_SHORT_SHA}-arm64-${DRIVER}-${DIST}"
-            done
-          done
+          docker buildx imagetools create \
+            --tag "${IMAGE_NAME}:${COMMIT_SHORT_SHA}-${{ matrix.driver }}-${{ matrix.dist }}" \
+            "${IMAGE_NAME}:${COMMIT_SHORT_SHA}-amd64-${{ matrix.driver }}-${{ matrix.dist }}" \
+            "${IMAGE_NAME}:${COMMIT_SHORT_SHA}-arm64-${{ matrix.driver }}-${{ matrix.dist }}"
 
   pre-compiled:
     runs-on: linux-amd64-cpu4