chore: add year to application period

Author: wackerow

public/content/contributing/translation-program/translatathon/index.md

@@ -35,7 +35,7 @@ Office hours, workshops, team formation and FAQ sessions will be hosted on the [
 
 #### Application period {#applications}
 
-The application period will be open from **August 1st** to **August 15th**
+The application period will be open from **August 1st** to **August 15th** 2023.
 
 All participants in the Translatathon are required to apply in order to participate and compete for prizes.