Update issue templates

Author: henkelmax

.github/ISSUE_TEMPLATE/translation.md

@@ -8,7 +8,7 @@ assignees: henkelmax
 ---
 
 **Locale code**
-Please provide the [Locale code](https://minecraft.gamepedia.com/Language#Available_languages) that Minecraft uses for this language.
+Please provide the [Locale code](https://minecraft.wiki/w/Language#Languages) that Minecraft uses for this language.
 
 **Translation**
 Please use a [https://gist.github.com/](https://gist.github.com/) link instead of pasting the translation here.