Set up release 2.4.0

Description

Sets up release v2.4.0.

Changes

Version number increased to 2.4.0.

Additions

N/A

Test and Review

To be filled in by the reviewers

• There are no unnecessary files present in the MR

• The continuous integration has no problems with the MR

• The MR is filled in as requested (including labels, milestones, and reviewers)

• The documentation is up-to-date

CHANGELOG.md

@@ -11,6 +11,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 ### Added
+### Changed
+### Fixed
+
+## [2.4.0] - [2022-02-04]
+### Added
 * Improved worker management: viewing logs is a single click, just like canceling or outright purging the worker. (!168)
 * An in-worker watchdog that terminates the worker if no ping response arrives within a set interval. (!168)
 * Submissions indicate whether their job was canceled. (!168)
@@ -23,6 +28,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * Worker shutdowns through messages now happen within three seconds (down from two minutes). (!168)
 * The CORS patch filter now also fires if Access-Control-Request-Headers is not present. (!168)
 * Killing all workers now happens in parallel to speed up shutdown. (!168)
+* Worker tokens expire only after a full century (!173)
 ### Fixed
 * Concurrent logging on a worker that was causing crashes extremely rarely. (!168)