[CLA] Update Vauxoo CLA

Incorporate Alejandro Santillan (R4Alex) as Vauxoo's contributor

closes odoo/odoo#61338

Signed-off-by: Nicolas Martinelli (nim) <nim@odoo.com>

doc/cla/corporate/vauxoo.md

@@ -48,3 +48,4 @@ Carmen Liliana Miranda González carmen@vauxoo.com https://github.com/CarmenMira
 Arturo Flores arturo@vauxoo.com https://github.com/umiphos
 Deivis Laya deivis@vauxoo.com https://github.com/deivislaya
 Yennifer Santiago yennifer@vauxoo.com https://github.com/ysantiago
+Alejandro Santillan asantillan@vauxoo.com https://github.com/R4Alex