Updated Changelog (markdown)

Changelog.md

@@ -2,11 +2,12 @@ This change log tracks the releases on our [pilot server](https://recodex.mff.cu
 
 | Date | [web-app](https://github.com/ReCodEx/web-app/releases) | [core-api](https://github.com/ReCodEx/api/releases) | [worker](https://github.com/ReCodEx/worker/releases) | [broker](https://github.com/ReCodEx/broker/releases) | [monitor](https://github.com/ReCodEx/monitor/releases) | [cleaner](https://github.com/ReCodEx/cleaner/releases) |
 | --- |:---:|:---:|:---:|:---:|:---:|:---:|
+| 20.9.2022     |  v2.4.0  |  v2.4.0  |  v1.7.4  |  v1.3.0  |  v1.0.0  |  v1.1.0  |
 | 14.3.2022     |  v2.3.0  |  v2.3.0  |  v1.7.4  |  v1.3.0  |  v1.0.0  |  v1.1.0  |
 | 17.2.2022     |  v2.2.1  |  v2.2.1  |  v1.7.4  |  v1.3.0  |  v1.0.0  |  v1.1.0  |
 | 11.2.2022     |  v2.2.0  |  v2.2.0  |  v1.7.4  |  v1.3.0  |  v1.0.0  |  v1.1.0  |
 
-## 20.9.2022
+## 20.9.2022 - PENDING (work in progress!)
 
 - User may set up an iCal export link (resolving issue #393)
 - Reimplementing source code viewers