chore: use correct image for plugin container (argoproj#2478)

Signed-off-by: Justin Marquis <[email protected]>

Signed-off-by: Justin Marquis <[email protected]>

Author: 34fathombelow

.github/workflows/release.yaml

@@ -163,7 +163,7 @@ jobs:
 
       - name: Get digest of plugin-image
         run: |
-          echo "PLUGIN_DIGEST=$(crane digest quay.io/argoproj/argo-rollouts:${{ github.event.inputs.tag }})" >> $GITHUB_ENV
+          echo "PLUGIN_DIGEST=$(crane digest quay.io/argoproj/kubectl-argo-rollouts:${{ github.event.inputs.tag }})" >> $GITHUB_ENV
 
       - name: Sign Argo Rollouts Images
         run: |