delete old package versions

.github/workflows/nuxt-to-docker.yml

@@ -71,7 +71,7 @@ jobs:
           # This cannot be specified with `num-old-versions-to-delete`. By default, `min-versions-to-keep` takes precedence over `num-old-versions-to-delete`.
           # When set to 0, all deletable versions will be deleted.
           # When set greater than 0, all deletable package versions except the specified number will be deleted.
-          #min-versions-to-keep: 2
+          min-versions-to-keep: 3
 
       - name: Cache Docker layers
         uses: actions/cache@v4