Update CHANGELOG

See merge request pleroma/pleroma!2363

Add `/api/v1/notifications/:id/dismiss` endpoint

Closes #1673

See merge request pleroma/pleroma!2360

Add OTP_VERSION file to docker

Closes #1662

See merge request pleroma/pleroma!2361

Error improvement for email_invite endpoint

See merge request pleroma/pleroma!2344

Add OpenAPI

Closes pleroma-meta#19

See merge request pleroma/pleroma!2345

formatter.ex: Use Phoenix.HTML for mention/hashtag generation

See merge request pleroma/pleroma!2357

No changelog entry - bug fixed only in develop

See merge request pleroma/pleroma!2359

ObjectValidators.Types.ObjectID: Fix when URI.parse returns %URL{host: ""}

See merge request pleroma/pleroma!2358

Unlike concatenating strings, this makes sure everything is escaped.
Tests had to be changed because Phoenix.HTML runs attributes through
Enum.sort before generation for whatever reason.

Fix for gun connections pool

Closes #1669 and #1664

See merge request pleroma/pleroma!2356

Use Pleroma.Formatter.linkify/2 instead

See merge request pleroma/pleroma!2352

Apply suggestion to test/web/mastodon_api/controllers/account_controller/update_credentials_test.exs

Add emoji reactions to features in nodeinfo

See merge request pleroma/pleroma!2313

Tests for emoji mix task

See merge request pleroma/pleroma!2350

Ingestion Pipeline Revamp

See merge request pleroma/pleroma!2315

Fix formatting in documentation

See merge request pleroma/pleroma!2348

[#2323] Fixed /accounts/relationships

Closes pleroma-fe#820

See merge request pleroma/pleroma!2347

[#2323] Fixed a typo causing /accounts/relationships to render default relationships. Improved the tests.