Log into container reg to upload images

Author: shaun-nx

.github/workflows/build.yml

@@ -199,6 +199,13 @@ jobs:
           sarif_file: ${{ steps.scan.outputs.sarif }}
           category: build-${{ inputs.image }}
 
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
       - name: Export and upload images
         run: |
           # Create a local reference for the platform