General availability: Activity log alerts can now run in EU Data Boundary

Activity log alert rules can now be saved in one of the following EU Data Boundary regions: * North Europe * West Europe This capability is avilable when creating a new activity log alert rule. Saving the rule in a European regions ensures that the alert rule metadata and its processing remains within [EU Data Boundary](https://learn.microsoft.com/privacy/eudb/eu-data-boundary-learn). In all other cases you can select the default Global region. Note that [action groups ](https://learn.microsoft.com/en-us/azure/azure-monitor/alerts/action-groups)can also be saved in EU regions. This means combining an EU-based activity log alert rule with an EU-based action group will ensure an end-to-end experience within Europe, encompassing alert evaluation and actions. [Learn more](https://learn.microsoft.com/azure/azure-monitor/alerts/alerts-create-activity-log-alert-rule?tabs=activity-log) * Azure Monitor * Compliance * Features * [ Azure Monitor](https://azure.microsoft.com/en-gb/products/monitor/)