Add budget limit to /concepts/budgets-and-alerts (#58783)

Co-authored-by: mc <42146119+mchammer01@users.noreply.github.com>

Author: gmondello

content/billing/concepts/budgets-and-alerts.md

@@ -38,6 +38,10 @@ You can enable alerts for budgets to receive emails when usage reaches 75%, 90%,
 
 When you first create a budget, be aware that the budget applies only to metered usage from the date of its creation onwards. Any use made before you created the budget is not included in the calculations. This means that you may exceed your budget in the first billing cycle after you create your budget, even if you select the option stop usage when the limit is reached.
 
+## Budget limitations
+
+* The maximum number of budgets per account is 10,000.
+
 ## Set up a budget
 
 To get started with budgets, see [AUTOTITLE](/billing/tutorials/set-up-budgets).