Fix Claude article versioning (#59492)

Author: steveward

content/copilot/concepts/agents/anthropic-claude.md

@@ -4,7 +4,7 @@ shortTitle: Anthropic Claude
 intro: 'Use the {% data variables.product.prodname_anthropic_claude %} coding agent powered by {% data variables.product.prodname_copilot_short %}.'
 product: '{% data reusables.gated-features.anthropic-claude %}<br><a href="https://github.com/features/copilot/plans?ref_product=copilot&ref_plan=pro-plus&ref_type=purchase&ref_style=button&utm_source=docs-web-3p-agents-claude&utm_medium=docs&utm_campaign=agent-3p-platform-feb-2026" target="_blank" class="btn btn-primary mt-3 mr-3 no-underline"><span>Sign up for {% data variables.product.prodname_copilot_short %}</span> {% octicon "link-external" height:16 %}</a>'
 versions:
-  fpt: '*'
+  feature: copilot
 topics:
   - Copilot
 contentType: concepts