✨ [Amp story][Page attachments] Render V2 attachment CTA buttons for bot rendering

[processprocess]

Context / Fixes #34015

For V2 attachment CTA buttons.

• Renders all CTA buttons instead of page attachments.

[amp-owners-bot]

Hey @gmajoulet, @newmuis, @Enriqe! These files were changed:

extensions/amp-story/1.0/amp-story-open-page-attachment.css
extensions/amp-story/1.0/amp-story-page-attachment.js
extensions/amp-story/1.0/amp-story-page.js
extensions/amp-story/1.0/amp-story-vertical.css
extensions/amp-story/1.0/amp-story.js

[gmajoulet]

What's the status of this PR? Do we need to update/merge it?

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed in 7 days if no further activity occurs. Thank you for your contributions.