Update date format in ATBD document

Author: mckeea

DOCS/Urban_Atlas/CLMS_UA2021_LULC_ATBD_v1.qmd

@@ -1,7 +1,7 @@
 ---
 title: "Urban Atlas 2021 – Algorithm Theoretical Basis Document"
 subtitle: "Copernicus Land Monitoring Service – Priority Area Monitoring – Urban Atlas 2021 and 2024"
-date: "05/02/2026"
+date: "2026-02-05"
 version: 1.2
 
 category: products
@@ -928,4 +928,4 @@ Table 6: UA LC/LU nomenclature (in bold, classes used in the products, without a
 
 |Version|Applicable document|
 |--|--|
-|AD-1|Urban Atlas 2021 – Product User Manual (PUM)|
+|AD-1|Urban Atlas 2021 – Product User Manual (PUM)|