Media CDN supports EU data residency (Private GA), along with a new Europe

## Feature Feature Media CDN supports EU data residency (Private GA), along with a new Europe flexible origin shielding region. Media CDN supports EU Data Residency in Private GA. This feature ensures that customer content and end-user data are processed within the EU. This feature is available via support allowlist. Media CDN supports flexible origin shielding in Frankfurt (`europe-west3`). This feature is **Generally Available**. For more information, see [Flexible shielding](https://cloud.google.com/media-cdn/docs/origins#flex-shielding).