chore(deps): bump Microsoft.IdentityModel.JsonWebTokens in /src/Twilio

Bumps [Microsoft.IdentityModel.JsonWebTokens](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet) from 6.15.0 to 6.34.0.
- [Release notes](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/releases)
- [Changelog](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/blob/dev/CHANGELOG.md)
- [Commits](AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet@v6.15.0...6.34.0)

---
updated-dependencies:
- dependency-name: Microsoft.IdentityModel.JsonWebTokens
  dependency-type: direct:production
...

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

src/Twilio/Twilio.csproj

@@ -26,7 +26,7 @@
     <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.IdentityModel.JsonWebTokens" Version="6.15.0" />
+    <PackageReference Include="Microsoft.IdentityModel.JsonWebTokens" Version="6.34.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="NUnit" Version="3.13.2" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.1.0" />