…ebook-like-bento-version

* 'main' of github.com:ampproject/amphtml: (23 commits)
  `amp-story-desktop-one-panel` Update demo with usecases (ampproject#34867)
  🚮 Remove src/purifier.js rollup config (ampproject#34876)
  Validator Rollup (ampproject#34769)
  ✨ `amp-story-desktop-one-panel` Check UI type to get page dimension on tap (ampproject#34875)
  Refactor: move getRealChildNodes and getRealChildren to core (ampproject#34813)
  🏗📖 Fix some example files that do not validate (ampproject#34835)
  🏗Add `#test` and `#testing` to alias list (ampproject#34853)
  Add css files for missing components (ampproject#34861)
  Apply bulk transform to html tags (ampproject#34836)
  🐛 amp-ima-video: Fix duration label on livestreams (ampproject#34865)
  ♻️  Extract `applyFillContent` into a standalone function (ampproject#34858)
  Give script tag closing tag (ampproject#34832)
  🏗 Refinements to renovate config (ampproject#34862)
  Bento: Enable `SocialShare` for npm publishing (ampproject#34817)
  🏗 Use aliased paths in generated extensions (ampproject#34860)
  ✨ `amp-story-desktop-one-panel` Position distance="2" page below viewport (ampproject#34834)
  🏗 Set `wrapper` on generated Bento extensions (ampproject#34843)
  🧪[story-ads] Allow viewer to set progress bar segment experiment. (ampproject#34827)
  🏗 Allow extension bundles to specify their own wrapper (ampproject#34845)
  🏗🚀 Speed up validated example grouping ~45x (ampproject#34837)
  ...