When using the windows installer in French language, the `Hôte` label
used to configure postgresql server does not display correctly.
The LangString documentation does not specify how to use the special
characters but after some tests, specifying a BOM for the nsi file seems
to be the way to go.
closesodoo/odoo#65370
X-original-commit: 3d0871d1d5895f0f04175f2633344f2f1b05a081
Signed-off-by: Christophe Monniez (moc) <moc@odoo.com>