Bump System.IdentityModel.Tokens.Jwt in /BicepNet.Core (#91)

Bumps [System.IdentityModel.Tokens.Jwt](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet) from 7.0.3 to 7.1.2.
- [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@7.0.3...7.1.2)

---
updated-dependencies:
- dependency-name: System.IdentityModel.Tokens.Jwt
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

BicepNet.Core/BicepNet.Core.csproj

@@ -19,7 +19,7 @@
     <PackageReference Include="Azure.ResourceManager.Subscription" Version="1.1.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.0" />
     <PackageReference Include="Microsoft.VisualStudio.Threading" Version="17.8.14" />
-    <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="7.0.3" />
+    <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="7.1.2" />
   </ItemGroup>
 
   <ItemGroup>