[FIX] l10n_mn: update author

As the Mongolia localisation was written by BumanIT

closes odoo/odoo#34671

Signed-off-by: Martin Trigaux (mat) <mat@odoo.com>

addons/l10n_mn/__manifest__.py

@@ -5,6 +5,7 @@
     "name" : "Mongolia - Accounting",
     "version" : "1.0",
     'category': 'Localization',
+    "author" : "BumanIT LLC, Odoo S.A",
     "description": """
 This is the module to manage the accounting chart for Mongolia.
 ===============================================================