Release DOMjudge 8.2.0

Author: vmcj

ChangeLog

@@ -1,7 +1,7 @@
 DOMjudge Programming Contest Judging System
 
-Version 8.2.0 - DEV
--------------------
+Version 8.2.0 - 6 March 2023
+----------------------------
  - Various bugfixes & UI improvements.
  - Add support for Rust as submission language.
  - Add teamphotos to scoreboard zip.

README.md

@@ -6,7 +6,7 @@ DOMjudge
 [![Coverity Scan Status](https://img.shields.io/coverity/scan/671.svg)](https://scan.coverity.com/projects/domjudge)
 [![LGTM alerts](https://img.shields.io/lgtm/alerts/g/DOMjudge/domjudge.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/DOMjudge/domjudge/alerts/)
 
-This is the Programming Contest Jury System "DOMjudge" version 8.2.0DEV
+This is the Programming Contest Jury System "DOMjudge" version 8.2.0
 
 DOMjudge is a system for running a programming contest, like the
 ICPC regional and world championship programming contests.