Fix date in article

The website shows `February 3th 2020` as date, but like the URL suggests, it was published on **March** 3rd!

https://mobile.nixos.org/news/2020-03-03-february-2020-round-up.html

website/news/2020-03-03-february-2020-round-up.adoc

@@ -2,10 +2,10 @@
 include::_support/common.inc[]
 include::_support/website.inc[]
 :special: news
-:docdate: 2020-02-03
+:docdate: 2020-03-03
 :image: {rootrel}news/2020-03-03-february-2020-round-up.jpeg
 Samuel Dionne-Riel
-February 3th 2020
+March 3rd 2020
 
 This update is the fourth in a series of regular updates on the state of the
 project.