cpp release notes for the 2024-07 release (#7715)

_data/releases/2024-07/cpp.yml

@@ -0,0 +1,13 @@
+entries:
+- Name: azure-identity
+  Version: 1.9.0-beta.1
+  DisplayName: Identity
+  ServiceName: Identity
+  VersionType: Beta
+  Hidden: false
+  ChangelogUrl: https://github.com/Azure/azure-sdk-for-cpp/tree/azure-identity_1.9.0-beta.1/sdk/identity/azure-identity/CHANGELOG.md
+  ChangelogContent: |-
+    #### Features Added
+
+    - Added `AzurePipelinesCredential` for authenticating an Azure Pipelines service connection with workload identity federation.
+