Merge pull request typelevel#3923 from djspiewak/feature/new-dispatcher

Rewrote `Dispatcher`

Merge pull request typelevel#3954 from armanbilge/topic/how-to-release

Document release process

Merge pull request typelevel#3854 from armanbilge/topic/release-notes…

…-unlabeled

Add catch-all category for unlabeled PRs

Merge pull request typelevel#3701 from samspills/dispatcher-remove-alive

Dispatcher: remove `alive` in favour of nullifying queues

Merge pull request typelevel#3613 from djspiewak/release/3.4.11-major

Backport 3.4.11 into major branch

Tagging v3.4.11

Tagging 3.5.0-RC5

Tagging 3.4.10

Tagging 3.5.0-RC4

Tagging v3.4.9