[semantic conventions] trivial: Amend Azure FaaS Description (#1595)

* Fix Azure Member Brief

Azure currently has an incorrect description associated with it. This fixes it 😄

* Update faas.md

Co-authored-by: Sergey Kanzhelev <S.Kanzhelev@live.com>

semantic_conventions/trace/faas.yaml

@@ -159,7 +159,7 @@ groups:
               brief: 'Amazon Web Services'
             - id: Azure
               value: 'azure'
-              brief: 'Amazon Web Services'
+              brief: 'Microsoft Azure'
             - id: GCP
               value: 'gcp'
               brief: 'Google Cloud Platform'

specification/trace/semantic_conventions/faas.md

@@ -117,7 +117,7 @@ which the invoked FaaS instance reports about itself, if it's instrumented.
 | Value  | Description |
 |---|---|
 | `aws` | Amazon Web Services |
-| `azure` | Amazon Web Services |
+| `azure` | Microsoft Azure |
 | `gcp` | Google Cloud Platform |
 <!-- endsemconv -->