MWPW-166689 Add video support to Article Header

[meganthecoder]

• Allow videos in the Article Header
• Has the same video features across milo: https://milo.adobe.com/docs/authoring/videos (with the exception that uploaded mp4s aren't supported in DA)

Resolves: MWPW-166689

Test URLs:
MP4:

• Before: https://main--milo--adobecom.aem.page/drafts/methomas/article-header-mp4?martech=off
• After: https://article-header-video--milo--meganthecoder.aem.page/drafts/methomas/article-header-mp4?martech=off

AdobeTv:

• Before: https://main--milo--adobecom.aem.page/drafts/methomas/article-header-adobetv?martech=off
• After: https://article-header-video--milo--meganthecoder.aem.page/drafts/methomas/article-header-adobetv?martech=off

Youtube:

• Before:https://main--milo--adobecom.aem.page/drafts/methomas/article-header-youtube?martech=off
• After: https://article-header-video--milo--meganthecoder.aem.page/drafts/methomas/article-header-youtube?martech=off

Vimeo:

• Before: https://main--milo--adobecom.aem.page/drafts/methomas/article-header-vimeo?martech=off
• After: https://article-header-video--milo--meganthecoder.aem.page/drafts/methomas/article-header-vimeo?martech=off

Gif (AKA image / regression):

• Before: https://main--milo--adobecom.aem.page/drafts/methomas/article-header-gif?martech=off
• After: https://article-header-video--milo--meganthecoder.aem.page/drafts/methomas/article-header-gif?martech=off

[aem-code-sync]

	Page	Scores	Audits	Google
📱	/drafts/methomas/article-header-adobetv?martech=off
🖥️	/drafts/methomas/article-header-adobetv?martech=off
📱	/drafts/methomas/article-header-gif?martech=off
🖥️	/drafts/methomas/article-header-gif?martech=off
📱	/drafts/methomas/article-header-mp4?martech=off
🖥️	/drafts/methomas/article-header-mp4?martech=off
📱	/drafts/methomas/article-header-vimeo?martech=off
🖥️	/drafts/methomas/article-header-vimeo?martech=off
📱	/drafts/methomas/article-header-youtube?martech=off
🖥️	/drafts/methomas/article-header-youtube?martech=off

[meganthecoder]

Companion ticket for da-bacom-blog: adobecom/da-bacom-blog#27

[github-actions]

This pull request is not passing all required checks. Please see this discussion for information on how to get all checks passing. Inconsistent checks can be manually retried. If a test absolutely can not pass for a good reason, please add a comment with an explanation to the PR.