[IMP] website_theme_install: typo in model class name

closes odoo/odoo#35389

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

addons/website_theme_install/models/theme_models.py

@@ -210,7 +210,7 @@ class IrAttachment(models.Model):
     theme_template_id = fields.Many2one('theme.ir.attachment')
 
 
-class WebiteMenu(models.Model):
+class WebsiteMenu(models.Model):
     _inherit = 'website.menu'
 
     theme_template_id = fields.Many2one('theme.website.menu')