[CLA] Update Vauxoo's CLA adding alejandromellado

Incorporate Alejandro Mellado (alejandromellado) as Vauxoo's contributor.

I confirm I have signed the CLA and read the PR guidelines at www.odoo.com/submit-pr

closes odoo/odoo#131135

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

doc/cla/corporate/vauxoo.md

@@ -66,3 +66,4 @@ Rolando Duarte rolando@vauxoo.com https://github.com/rolandojduartem
 Andy Quijada andy@vauxoo.com https://github.com/ajqn9094
 Carlos Carral carlos.c@vauxoo.com https://github.com/carralc
 Luis Manuel luis.manuel@vauxoo.com https://github.com/LuisMzz
+Alejandro Mellado alejandromm@vauxoo.com https://github.com/alejandromellado