SEO/Social meta: First pass to add meta and opengraph tags

[ryelle]

This enables (and updates) the SEO meta tags and social opengraph tags from Jetpack, so social embeds and search results load correctly.

Fixes #meta-6579

Screenshots

No screenshots, but here's the before/after of the meta values for a few pages. n/a here means the value was missing.

Home

Name	Production	Update
<title>	WordPress Themes | WordPress.org	WordPress Theme Directory | WordPress.org
description	Find the perfect theme for your WordPress website. Choose from thousands of stunning designs with a wide variety of features and customization options.	Find the perfect theme for your WordPress website. Choose from thousands of stunning designs with a wide variety of features and customization options.
og:type	n/a	website
og:title	n/a	WordPress Theme Directory
og:description	n/a	Find the perfect theme for your WordPress website. Choose from thousands of stunning designs with a wide variety of features and customization options.
og:url	n/a	https://wordpress.org/themes/
og:site_name	n/a	WordPress.org
og:image	n/a	[placeholder]
og:image:alt	n/a	WordPress Theme Directory
og:locale	n/a	en_US
twitter:card	n/a	summary_large_image
twitter:site	n/a	@WordPress
twitter:image	n/a	[placeholder]

Filter combination

Name	Production	Update
<title>	WordPress Themes: Full Site Editing Free | WordPress.org	Block themes and Style variations | WordPress.org
description	Posts about Full Site Editing written by Automattic, Shine Dezign Infonet, realtimethemes, Superb Addons, effethemes, WebMan Design | Oliver Juhas, portfoliowp, and Roman Fink	Find the perfect theme for your WordPress website. Choose from thousands of stunning designs with a wide variety of features and customization options.
og:type	n/a	website
og:title	n/a	Block themes and Style variations
og:url	n/a	https://wordpress.org/themes/tags/full-site-editing/
og:description	n/a	Find the perfect theme for your WordPress website. Choose from thousands of stunning designs with a wide variety of features and customization options.
og:site_name	n/a	WordPress.org
og:image	n/a	[placeholder]
og:image:alt	n/a	WordPress Theme Directory
og:locale	n/a	en_US
twitter:site	n/a	@WordPress
twitter:image	n/a	[placeholder]
twitter:card	n/a	summary_large_image

Single theme

Name	Production	Update
<title>	Twenty Twenty-Four - WordPress theme | WordPress.org	Twenty Twenty-Four | WordPress Theme | WordPress.org
description	Twenty Twenty-Four is designed to be flexible, versatile and applicable to any website. Its collection of templates and patterns tailor to different needs, such as presenting a business, blogging and writing or showcasing work. A multitude of possibilities open up with just a few adjustments to color and typography. Twenty Twenty-Four comes with style variations…	Twenty Twenty-Four is designed to be flexible, versatile and applicable to any website. Its collection of templates and patterns tailor to different needs, such as presenting a business, blogging and writing or showcasing work. A multitude of possibilities open up with just a few adjustments to color and typography. Twenty Twenty-Four comes with style variations and full page designs to help speed up the site building process, is fully compatible with the site editor, and takes advantage of new design tools introduced in WordPress 6.4.
og:type	website	article
og:title	Twenty Twenty-Four	Twenty Twenty-Four | WordPress Theme Directory
og:url	https://wordpress.org/themes/twentytwentyfour/	https://wordpress.org/themes/twentytwentyfour/
og:description	Twenty Twenty-Four is designed to be flexible, versatile and applicable to any website. Its collection of templates and patterns tailor to different needs, such as presenting a business, blogging and writing or showcasing work. A multitude of possibilities open up with just a few adjustments to color and typography. Twenty Twenty-Four comes with style variations and full page designs to help speed up the site building process, is fully compatible with the site editor, and takes advantage of new design tools introduced in WordPress 6.4.	Twenty Twenty-Four is designed to be flexible, versatile and applicable to any website. Its collection of templates and patterns tailor to different needs, such as presenting a business, blogging and writing or showcasing work. A multitude of possibilities open up with just a few adjustments to color and typography. Twenty Twenty-Four comes with style variations and full page designs to help speed up the site building process, is fully compatible with the site editor, and takes advantage of new design tools introduced in WordPress 6.4.
og:site_name	WordPress.org	WordPress.org
og:image	https://i0.wp.com/themes.svn.wordpress.org/twentytwentyfour/1.1/screenshot.png	https://i0.wp.com/themes.svn.wordpress.org/twentytwentyfour/1.1/screenshot.png
og:image:alt	n/a	Twenty Twenty-Four
og:locale	n/a	en_US
twitter:site	@WordPress	@WordPress
twitter:text:title	n/a	Twenty Twenty-Four | WordPress Theme Directory
twitter:description	n/a	Twenty Twenty-Four is designed to be flexible, versatile and applicable to any website. Its collection of templates and patterns tailor to different needs, such as presenting a business, blogging and writing or showcasing work. A multitude of possibilities open up with just a few adjustments to color and typography. Twenty Twenty-Four comes with style variations and full page designs to help speed up the site building process, is fully compatible with the site editor, and takes advantage of new design tools introduced in WordPress 6.4.
twitter:image	https://i0.wp.com/themes.svn.wordpress.org/twentytwentyfour/1.1/screenshot.png?w=560&amp;strip=all	https://i0.wp.com/themes.svn.wordpress.org/twentytwentyfour/1.1/screenshot.png
twitter:image:alt	n/a	Twenty Twenty-Four
twitter:card	summary_large_image	summary_large_image
article:published_time	n/a	2023-11-07T19:26:45+00:00
article:modified_time	n/a	2024-04-02T20:12:33+00:00

[ryelle]

I've created a separate issue for design to create an opengraph image #117 — for now it's using the main site's image.