Update sample actuator for API changes (#375)

Author: bart-vmware

Management/src/ActuatorWeb/CustomActuators/LocalTime/LocalTimeEndpointMiddleware.cs

@@ -1,4 +1,4 @@
-using Microsoft.Extensions.Options;
+using Microsoft.Extensions.Options;
 using Steeltoe.Management.Endpoint.Configuration;
 using Steeltoe.Management.Endpoint.Middleware;
 
@@ -8,8 +8,8 @@ internal sealed class LocalTimeEndpointMiddleware(
     ILocalTimeEndpointHandler endpointHandler, IOptionsMonitor<ManagementOptions> managementOptionsMonitor, ILoggerFactory loggerFactory)
     : EndpointMiddleware<object?, string>(endpointHandler, managementOptionsMonitor, loggerFactory)
 {
-    protected override async Task<string> InvokeEndpointHandlerAsync(HttpContext context, CancellationToken cancellationToken)
+    protected override async Task<string> InvokeEndpointHandlerAsync(object? request, CancellationToken cancellationToken)
     {
-        return await EndpointHandler.InvokeAsync(null, cancellationToken);
+        return await EndpointHandler.InvokeAsync(request, cancellationToken);
     }
 }