Sync develop changelog with master and create a new section for post-1.1 changes

See merge request pleroma/pleroma!1689

changes

Bump elixir version to ~> 1.8

See merge request pleroma/pleroma!1686

Update Tesla to 1.3

Closes #1262

See merge request pleroma/pleroma!1684

[#1263] fixed ecto version

See merge request pleroma/pleroma!1685

Admin API: Return total for reports

See merge request pleroma/pleroma!1628

This version includes a couple of fixes, adds Gun and Mint adapters and
removes 0.x -> 1.0 config migrator, which for some reason fails under
certain conditions. I had to set `override: true` because Quack pins
Tesla to `1.2.0`, but I have looked through the source code and verified
that updating Tesla doesn't break anything there.

Fix notification warnings

See merge request pleroma/pleroma!1683

Fix `Transmogrifier.upgrade_user_from_ap_id/1`

See merge request pleroma/pleroma!1677

add tests for activity_pub/utils.ex

See merge request pleroma/pleroma!1627

remove remaining errors from tests

See merge request pleroma/pleroma!1682

Update oban to 0.8.1

Closes #1261

See merge request pleroma/pleroma!1680

This version uses a different locking mechanism, which gets rid of
`WARNING:  you don't own a lock of type ShareLock` log spam

Set `account_field_value_length` limit to 2048 by default

Closes #1249

See merge request pleroma/pleroma!1678

Add "Streamer refactoring" back to `develop`

See merge request pleroma/pleroma!1675

This reverts commit fe7fd331, reversing
changes made to 4fabf83a.

Fix signed fetch inclusion publisher test

See merge request pleroma/pleroma!1676

Oban branch changed `actor` to `actor_id` and this test was not adjusted for that

Revert "Merge branch 'streamer-refactoring' into 'develop'"

See merge request pleroma/pleroma!1674

This reverts merge request !1653

Streamer refactoring

See merge request pleroma/pleroma!1653

Track signed fetches of objects and use them for delete federation

See merge request pleroma/pleroma!1661

added prepare html for RichMedia.Parser

See merge request pleroma/pleroma!1672

Fix a race condition in tests

See merge request pleroma/pleroma!1673

[#1149] `oban`-based job & retry queues

Closes #1149

See merge request pleroma/pleroma!1518