Update supported regions for Azure (#4467)

Author: atovpeko

_partials/_timescale-cloud-regions-azure.md

@@ -0,0 +1,7 @@
+$SERVICE_LONGs run in the following Microsoft Azure regions:
+
+| Region | Zone          | Location       |
+|--------| ------------- | -------------- |
+| `eastus` |   |          |
+| `eastus2` |   |          |
+| `westeurope` |   |          |

about/supported-platforms.md

@@ -8,6 +8,7 @@ tags: [platforms, os, versions]
 
 import ServiceTypes from "versionContent/_partials/_timescale-cloud-services.mdx";
 import Regions from "versionContent/_partials/_timescale-cloud-regions.mdx";
+import RegionsAzure from "versionContent/_partials/_timescale-cloud-regions-azure.mdx";
 import Platforms from "versionContent/_partials/_timescale-cloud-platforms.mdx";
 
 # Supported platforms and regions
@@ -32,16 +33,26 @@ See the available [service capabilities][service-types] and [regions][regions].
 
 ### Available service capabilities
 
-<Availability products={['cloud']} price_plans={['enterprise', 'scale', 'performance']} />
-
 <ServiceTypes />
 
 ### Available regions
 
-<Availability products={['cloud']} price_plans={['enterprise', 'scale', 'performance']} />
+<Tabs label="Tiger Cloud on AWS and Azure" persistKey="tiger-platform-clouds">
+
+<Tab title="Tiger Cloud on AWS" label="aws-cloud">
 
 <Regions />
 
+</Tab>
+
+<Tab title="Tiger Cloud on Azure" label="azure-cloud">
+
+<RegionsAzure />
+
+</Tab>
+
+</Tabs>
+
 ## Self-hosted products
 
 <Platforms />