ci(release): only delete current release if found (#258)

Author: wpbonelli

.github/workflows/ex-workflow.yml

@@ -243,7 +243,10 @@ jobs:
           github.event_name == 'push'
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: gh release delete $TAG -y --cleanup-tag
+        run: |
+          if gh release view $TAG; then
+            gh release delete $TAG --yes --cleanup-tag
+          fi
 
       - name: Create new release
         if: |