Tag git commit sha with bundle image

Signed-off-by: Shiva Kumar (SW-CLOUD) <[email protected]>

Author: Shiva Kumar

.github/workflows/ci.yaml

@@ -437,10 +437,14 @@ jobs:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Set environment variables
+        id: vars
+        run: |
+          echo "COMMIT_SHORT_SHA=${GITHUB_SHA:0:8}" >> $GITHUB_ENV
       - name: Build bundle-image
         env:
           BUNDLE_IMAGE: "ghcr.io/nvidia/gpu-operator/gpu-operator-bundle:${{ github.ref_name }}-latest"
-          BUNDLE_IMAGE_TAG: "ghcr.io/nvidia/gpu-operator/gpu-operator-bundle:${GITHUB_SHA:0:8}"
+          BUNDLE_IMAGE_TAG: "ghcr.io/nvidia/gpu-operator/gpu-operator-bundle:${{ env.COMMIT_SHORT_SHA }}"
           VERSION: ""
           DEFAULT_CHANNEL: "stable"
           CHANNELS: "stable"