Merge pull request #78309 from mletalie/OSDOCS-11154

[OSDOCS-11154]: What's new for OSD on GCP: Regions enabled as per XCMSTRAT-434

Author: mburke5678

osd_whats_new/osd-whats-new.adoc

@@ -15,6 +15,19 @@ With its foundation in Kubernetes, {product-title} is a complete {OCP} cluster p
 [id="osd-new-changes-and-updates_{context}"]
 == New changes and updates
 
+[id="osd-q3-2024_{context}"]
+=== Q3 2024
+* **{product-title} regions added.** {product-title} on {GCP} is now available in the following additional regions:
+** Melbourne (`australia-southeast2`)
+** Milan (`europe-west8`)
+** Turin (`europe-west12`)
+** Madrid (`europe-southwest1`)
+** Santiago (`southamerica-west1`)
+** Doha (`me-central1`)
+** Dammam (`me-central2`)
+
+For more information on region availabilities, see xref:../osd_architecture/osd_policy/osd-service-definition.adoc#regions-availability-zones_osd-service-definition[Regions and availability zones].
+
 [id="osd-q2-2024_{context}"]
 === Q2 2024