Bump Microsoft.Identity.Web.DownstreamApi from 2.14.0 to 2.15.1 (#2507)

Bumps [Microsoft.Identity.Web.DownstreamApi](https://github.com/AzureAD/microsoft-identity-web) from 2.14.0 to 2.15.1.
- [Release notes](https://github.com/AzureAD/microsoft-identity-web/releases)
- [Changelog](https://github.com/AzureAD/microsoft-identity-web/blob/master/changelog.md)
- [Commits](https://github.com/AzureAD/microsoft-identity-web/commits/2.15.1)

---
updated-dependencies:
- dependency-name: Microsoft.Identity.Web.DownstreamApi
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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tests/DevApps/daemon-app/daemon-console-calling-downstreamApi/DaemonConsoleCallingDownstreamApi.csproj

@@ -12,7 +12,7 @@
   </ItemGroup>
 
   <ItemGroup Condition="'$(UseWip)' != 'true'">
-    <PackageReference Include="Microsoft.Identity.Web.DownstreamApi" Version="2.14.0" />
+    <PackageReference Include="Microsoft.Identity.Web.DownstreamApi" Version="2.15.1" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(UseWip)' == 'true'">