chore(csharp): Bump Azure.Identity from 1.14.2 to 1.17.1 (#62)

Updated [Azure.Identity](https://github.com/Azure/azure-sdk-for-net)
from 1.14.2 to 1.17.1.

<details>
<summary>Release notes</summary>

_Sourced from [Azure.Identity's
releases](https://github.com/Azure/azure-sdk-for-net/releases)._

## 1.17.1

## 1.17.1 (2025-11-18)

### Other Changes

- Updated `Microsoft.Identity.Client` and
`Microsoft.Identity.Client.Extensions.Msal` dependencies to version
4.78.0.


## 1.15.0-beta.1

## 1.15.0-beta.1 (2025-12-01)

### Features Added
- Upgraded api-version tag from 'package-2025-09-01' to
'package-2025-09-01-preview'. Tag detail available at
https://github.com/Azure/azure-rest-api-specs/blob/1da0ccefea2127820defac6496bf4710c0902d78/specification/netapp/resource-manager/Microsoft.NetApp/NetApp/readme.md.
- Added `NetAppCache` resource type
- Added `ElasticAccount` resource type
- Added `ElasticPool` resource type
- Added `ElasticVolume` resource type
- Added `ElasticSnapshotPolicy` resource type
- Added `ElasticSnapshot` resource type
- Added `ElasticBackupVault` resource type
- Added `ElasticBackupPolicy` resource type
- Added `ElasticBackup` resource type
- Added `ActiveDirectory` resource type
- Added `RansomwareReport` resource type, Support for Advance
AntiRansomware features
- Added `LdapConfiguration` to `NetAppAccountResource` to support LDAP
configuration at account level
- Added `LargeVolumeType` to `NetAppVolumeResource` to support
ExtraLargeVolumes


Commits viewable in [compare
view](https://github.com/Azure/azure-sdk-for-net/commits/Azure.Identity_1.17.1).
</details>

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csharp/test/AdbcDrivers.BigQuery.Tests.csproj

@@ -4,7 +4,7 @@
     <TargetFrameworks Condition="'$(TargetFrameworks)'==''">net8.0</TargetFrameworks>
   </PropertyGroup>
     <ItemGroup>
-     <PackageReference Include="Azure.Identity" Version="1.14.2" />
+     <PackageReference Include="Azure.Identity" Version="1.17.1" />
      <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
      <PackageReference Include="System.Net.Http.WinHttpHandler" Version="8.0.2" Condition="'$(TargetFrameworkIdentifier)' == '.NETStandard'" />
      <PackageReference Include="xunit" Version="2.9.3" />