l10n: Update Vietnamese team contact

The previous team has not maintained the translation since 2.37. Leader
has agreed to transfer leadership to me.

Signed-off-by: Vũ Tiến Hưng <[email protected]>

Author: Nekosha

po/TEAMS

@@ -73,9 +73,10 @@ Leader:		Arkadii Yakovets <[email protected]>
 Members:	Kateryna Golovanova <[email protected]>
 
 Language:	vi (Vietnamese)
-Repository:	https://github.com/vnwildman/git/
-Leader:		Trần Ngọc Quân <vnwildman AT gmail.com>
-Members:	Nguyễn Thái Ngọc Duy <pclouds AT gmail.com>
+Repository:	https://github.com/Nekosha/git-po/
+Leader:		Vũ Tiến Hưng <[email protected]>
+Members:	Trần Ngọc Quân <vnwildman AT gmail.com>
+		Nguyễn Thái Ngọc Duy <pclouds AT gmail.com>
 
 Language:	zh_CN (Simplified Chinese)
 Repository:	https://github.com/dyrone/git/