cpp release notes for the 2024-08 release (#7797)

_data/releases/2024-08/cpp.yml

@@ -0,0 +1,15 @@
+entries:
+- Name: azure-identity
+  Version: 1.9.0-beta.2
+  DisplayName: Identity
+  ServiceName: Identity
+  VersionType: Beta
+  Hidden: false
+  ChangelogUrl: https://github.com/Azure/azure-sdk-for-cpp/tree/azure-identity_1.9.0-beta.2/sdk/identity/azure-identity/CHANGELOG.md
+  ChangelogContent: |-
+    #### Features Added
+
+    - Added `ClientAssertionCredential` to enable applications to authenticate with custom client assertions.
+    - Added support for providing a Resource ID to `ManagedIdentityCredential`.
+    - Added support for customizing the IMDS endpoint within `ManagedIdentityCredential`.
+