refactor: change service registration from transient to singleton for IKubernetes and ReflectorOptions

Author: egbakou

src/ES.Kubernetes.Reflector/Program.cs

@@ -23,7 +23,7 @@
 
     builder.Services.Configure<ReflectorOptions>(builder.Configuration.GetSection(nameof(ES.Kubernetes.Reflector)));
 
-    builder.Services.AddTransient(s =>
+    builder.Services.AddSingleton(s =>
     {
         var reflectorOptions = s.GetRequiredService<IOptions<ReflectorOptions>>();
 
@@ -35,7 +35,7 @@
     });
 
 
-    builder.Services.AddTransient<IKubernetes>(s =>
+    builder.Services.AddSingleton<IKubernetes>(s =>
         new Kubernetes(s.GetRequiredService<KubernetesClientConfiguration>()));
 
     builder.Services.AddHostedService<NamespaceWatcher>();