Hi Eyal
Thank you for posting your question on Microsoft Q&A.
There’s no direct option to request a temporary exemption to use a region that isn’t currently supported by Static Web Apps.
However, you can share your feedback through the Azure portal. It might not result in an immediate change, but Microsoft does consider user suggestions when planning future updates.
If you’d like, you can also share your feedback here to bring attention to your case: Azure static web app · Community
And here's a helpful link to check which Azure services are available in which regions: Product Availability by Region