Release Key Vault beta SDKs on new Azure.Core (#39951)

Azure.Core released with dependent changes a bit late, so we need to
re-release the Key Vault beta SDKs.

Author: heaths

sdk/keyvault/Azure.Security.KeyVault.Administration/CHANGELOG.md

@@ -1,15 +1,11 @@
 # Release History
 
-## 4.4.0-beta.2 (Unreleased)
-
-### Features Added
-
-### Breaking Changes
-
-### Bugs Fixed
+## 4.4.0-beta.2 (2023-11-13)
 
 ### Other Changes
 
+- Distributed tracing with `ActivitySource` is stable and no longer requires the [Experimental feature-flag](https://github.com/Azure/azure-sdk-for-net/blob/main/sdk/core/Azure.Core/samples/Diagnostics.md).
+
 ## 4.4.0-beta.1 (2023-11-09)
 
 ### Features Added

sdk/keyvault/Azure.Security.KeyVault.Certificates/CHANGELOG.md

@@ -1,15 +1,11 @@
 # Release History
 
-## 4.6.0-beta.2 (Unreleased)
-
-### Features Added
-
-### Breaking Changes
-
-### Bugs Fixed
+## 4.6.0-beta.2 (2023-11-13)
 
 ### Other Changes
 
+- Distributed tracing with `ActivitySource` is stable and no longer requires the [Experimental feature-flag](https://github.com/Azure/azure-sdk-for-net/blob/main/sdk/core/Azure.Core/samples/Diagnostics.md).
+
 ## 4.6.0-beta.1 (2023-11-09)
 
 ### Features Added

sdk/keyvault/Azure.Security.KeyVault.Keys/CHANGELOG.md

@@ -1,15 +1,11 @@
 # Release History
 
-## 4.6.0-beta.2 (Unreleased)
-
-### Features Added
-
-### Breaking Changes
-
-### Bugs Fixed
+## 4.6.0-beta.2 (2023-11-13)
 
 ### Other Changes
 
+- Distributed tracing with `ActivitySource` is stable and no longer requires the [Experimental feature-flag](https://github.com/Azure/azure-sdk-for-net/blob/main/sdk/core/Azure.Core/samples/Diagnostics.md).
+
 ## 4.6.0-beta.1 (2023-11-09)
 
 ### Features Added

sdk/keyvault/Azure.Security.KeyVault.Secrets/CHANGELOG.md

@@ -1,15 +1,11 @@
 # Release History
 
-## 4.6.0-beta.2 (Unreleased)
-
-### Features Added
-
-### Breaking Changes
-
-### Bugs Fixed
+## 4.6.0-beta.2 (2023-11-13)
 
 ### Other Changes
 
+- Distributed tracing with `ActivitySource` is stable and no longer requires the [Experimental feature-flag](https://github.com/Azure/azure-sdk-for-net/blob/main/sdk/core/Azure.Core/samples/Diagnostics.md).
+
 ## 4.6.0-beta.1 (2023-11-09)
 
 ### Breaking Changes