Bump Microsoft.Identity.Client from 4.56.0 to 4.59.1 in /PCAxis.Api

Bumps [Microsoft.Identity.Client](https://github.com/AzureAD/microsoft-authentication-library-for-dotnet) from 4.56.0 to 4.59.1.
- [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](AzureAD/microsoft-authentication-library-for-dotnet@4.56.0...4.59.1)

---
updated-dependencies:
- dependency-name: Microsoft.Identity.Client
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

PCAxis.Search/PCAxis.Search.csproj

@@ -54,8 +54,9 @@
     <Reference Include="Microsoft.Data.SqlClient, Version=5.0.0.0, Culture=neutral, PublicKeyToken=23ec7fc2d6eaa4a5, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Data.SqlClient.5.1.4\lib\net462\Microsoft.Data.SqlClient.dll</HintPath>
     </Reference>
-    <Reference Include="Microsoft.Identity.Client, Version=4.56.0.0, Culture=neutral, PublicKeyToken=0a613f4dd989e8ae, processorArchitecture=MSIL">
-      <HintPath>..\packages\Microsoft.Identity.Client.4.56.0\lib\net461\Microsoft.Identity.Client.dll</HintPath>
+    <Reference Include="Microsoft.Identity.Client, Version=4.59.1.0, Culture=neutral, PublicKeyToken=0a613f4dd989e8ae">
+      <HintPath>..\packages/Microsoft.Identity.Client.4.59.1/lib/net462/Microsoft.Identity.Client.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.Identity.Client.Extensions.Msal, Version=4.56.0.0, Culture=neutral, PublicKeyToken=0a613f4dd989e8ae, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Identity.Client.Extensions.Msal.4.56.0\lib\netstandard2.0\Microsoft.Identity.Client.Extensions.Msal.dll</HintPath>