trustpub: Add examples to workflow filename help text

Author: Turbo87

app/templates/crate/settings/new-trusted-publisher.hbs

@@ -106,7 +106,7 @@
           </div>
         {{else}}
           <div local-class="note">
-            The filename of the publishing workflow. This file should be present in the <code>.github/workflows/</code> directory of the repository configured above.
+            The filename of the publishing workflow. This file should be present in the <code>.github/workflows/</code> directory of the repository configured above. For example: <code>release.yml</code> or <code>publish.yml</code>.
           </div>
         {{/if}}
       {{/let}}