Update container.yml

Signed-off-by: Derek Hower <dhower@qti.qualcomm.com>

Author: dhower-qc

.github/workflows/container.yml

@@ -134,6 +134,8 @@ jobs:
       - name: Create manifest list and push
         working-directory: /tmp/digests
         run: |
+          CONTAINER_NAME=$(printf 'riscvintl/udb@sha256:%s ' *)
+          echo "CONTAINER_NAME=$CONTAINER_NAME" >> $GITHUB_ENV
           docker buildx imagetools create \
             --tag riscvintl/udb:${{ env.TAG }} \
             $(printf 'riscvintl/udb@sha256:%s ' *)
@@ -162,5 +164,5 @@ jobs:
 
       - name: Remove intermediate containers
         run: |
-          docker image rm $(printf 'ghcr.io/riscv/udb@sha256:%s ' *)
+          docker image rm ${{ env.CONTAINER_NAME }}