chore: bump the all group across 1 directory with 2 updates

Bumps the all group with 2 updates in the /examples/msal-net/akvdotnet directory: [Azure.Security.KeyVault.Secrets](https://github.com/Azure/azure-sdk-for-net) and [Microsoft.Identity.Client](https://github.com/AzureAD/microsoft-authentication-library-for-dotnet).


Updates `Azure.Security.KeyVault.Secrets` from 4.5.0 to 4.7.0
- [Release notes](https://github.com/Azure/azure-sdk-for-net/releases)
- [Commits](Azure/azure-sdk-for-net@Azure.Security.KeyVault.Secrets_4.5.0...Azure.Security.KeyVault.Secrets_4.7.0)

Updates `Microsoft.Identity.Client` from 4.60.4 to 4.66.0
- [Release notes](https://github.com/AzureAD/microsoft-authentication-library-for-dotnet/releases)
- [Changelog](https://github.com/AzureAD/microsoft-authentication-library-for-dotnet/blob/main/CHANGELOG.md)
- [Commits](https://github.com/AzureAD/microsoft-authentication-library-for-dotnet/commits/4.66.0)

---
updated-dependencies:
- dependency-name: Azure.Security.KeyVault.Secrets
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all
- dependency-name: Microsoft.Identity.Client
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all
...

Signed-off-by: dependabot[bot] <support@github.com>

examples/msal-net/akvdotnet/akvdotnet.csproj

@@ -6,8 +6,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Identity.Client" Version="4.60.4" />
-    <PackageReference Include="Azure.Security.KeyVault.Secrets" Version="4.5.0" />
+    <PackageReference Include="Microsoft.Identity.Client" Version="4.66.0" />
+    <PackageReference Include="Azure.Security.KeyVault.Secrets" Version="4.7.0" />
   </ItemGroup>
 
 </Project>