add back stories to exclude list for now

while this has been dropped from core, many plugins still refer to
`@theforeman/stories` and thus generate wrong dependencies after
5e7343e

package-exclude.json

@@ -3,6 +3,7 @@
         "@sheerun/mutationobserver-shim",
         "@theforeman/env",
         "@theforeman/eslint-plugin-foreman",
+        "@theforeman/stories",
         "@theforeman/test",
         "@theforeman/vendor-dev",
         "@theforeman/find-foreman",
@@ -35,6 +36,7 @@
     ],
     "EXCLUDE_NPM_PREFIXES": [
         "@babel/eslint-",
+        "@storybook/",
         "@testing-library/",
         "enzyme",
         "eslint",