web endpoint: Use Config.get directly instead of a tuple

See merge request !3445

Docs: /api/v1/pleroma/notification_settings --> /api/pleroma/notification_settings

See merge request !3448

Recompilation speedup: create Dynamic client for ReverseProxy

See merge request !3440

Speeds up recompilation by reducing compile-time cycles

Document OTP 24 support

See merge request !3447

Fix warning for misuse of clear_config/2

See merge request !3446

The old warning message was producing an improperly formatted suggestion.

Put OpenAPI ~everywhere in tests

See merge request !3324

Fixes a lot of warnings like the following while running the testsuite:

  warning: passing a {module, function, args} tuple to Plug.Parsers.MULTIPART is deprecated. Please see Plug.Parsers.MULTIPART module docs for better approaches to configuration

This might mean no more dynamic configuration but there seems to be the same limitation two lines underneath anyway.

Add missing deprecation warning left out of !2842

See merge request !3444

Erlang 24 compatibility

Closes #2647

See merge request !3405

Since mime 1.6.0:

  warning: MIME.valid?/1 is deprecated. Use MIME.extensions(type) != [] instead

As for the bitstring(type) part it's because MIME.extensions only expects a string.
https://github.com/elixir-plug/mime/issues/43

Rename the non-federating Chat feature to Shout

See merge request !2842

Skip CI/CD automatically under certain conditions

See merge request !3439

Update docs/description for allow_relay

See merge request !3438

Recompilation speedup: Avoid `use Phoenix.Swoosh` to prevent recompiling the Endpoint

See merge request !3436

Speeds up recompilation by fixing cycles in UserEmail

Recompilation speedup: Remove deps from Streaming/Persisting behaviors

See merge request !3434

Recompilation speedup: Remove deps from Uploader behaviour

See merge request !3435

There is no sane / high level workaround for merging users who join shout:public and chat:public.

Speeds up recompilation by limiting compile-time deps