fix: fix typo in workflow

Signed-off-by: Vikram Vaswani <2571660+vvaswani@users.noreply.github.com>

Author: vvaswani

.github/workflows/release.yaml

@@ -29,4 +29,4 @@ jobs:
 
       - name: Show pushed image name
         if: ${{ steps.push_image.outcome == 'success' }}
-        run: echo "Image available at {REGISTRY}/${IMAGE_NAME}-${IMAGE_TAG}:1h"
+        run: echo "Image available at ${REGISTRY}/${IMAGE_NAME}-${IMAGE_TAG}:1h"