Upgrade Ecto to v3.6.2, remove deprecated ecto_explain

See merge request !3473

Downgrade Plug to 1.10.x, revert upload_limit tuple to function change

See merge request !3472

Rewrite docs related to dependencies

See merge request !3466

This should fix setting the upload limit in the database as found in:
https://queer.hacktivis.me/notice/A8XUZp74Cg7eYNEMxU

This reverts commit 7d350b73.

Cycles CI: skip unless Elixir code is modified

See merge request !3467

Generate Twittercard/OGP metadata with correct dimensions

See merge request !3456

Prevent compile-time cycles in CI

See merge request !3420

Thank you @jb55@bitcoinhackers.org for the awk syntax

ObjectValidators.{Announce,EmojiReact,Like}: Fix context, actor & addressing

See merge request !3462

Use eblurhash 1.1.0 from Hex

See merge request !3464

Test that videos only get image thumbnails in OGP metadata when we can produce them with Preview Proxy

This was a wasteful shortcut to MediaProxy.preview_url/1 and we don't
always want the preview_url in the metadata anyway.

Refactor skipped plugs into Pleroma.Web functions

See merge request !3463

Recompilation speedup: Switch to runtime deps in ActivityPub.SideEffects

See merge request !3460

Recompilation speedup: Switch to runtime deps in Pleroma.Instances

See merge request !3459

Speeds up recompilation by reducing compile cycles

Speeds up recompilation by reducing compile cycles

Speeds up recompilation by limiting compile cycles

This is what Mastodon uses and might fix some link preview bugs I've encountered

Recompilation speedup: Ignore runtime deps in Pleroma.Config.Loader with Module.concat/1

See merge request !3458