[FIX] event_booth: mark data as non updatable

Start with 'demo' data is important for good onboarding.

But once we use the module in production, we don't want to reset price
with default one on each upgrade.

closes odoo#94133

Signed-off-by: Thibault Delavallee (tde) <[email protected]>

Author: JKE-be

addons/event_booth/data/event_booth_category_data.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<odoo><data>
+<odoo><data noupdate="1">
 
     <record id="event_booth_category_standard" model="event.booth.category">
         <field name="name">Standard Booth</field>