update condition

Author: GarrettBeatty

src/Amazon.Extensions.Configuration.SystemsManager/DefaultParameterProcessor.cs

@@ -40,7 +40,7 @@ public virtual string GetKey(Parameter parameter, string path)
             var name = parameter.Name.StartsWith(path, StringComparison.OrdinalIgnoreCase)
                 ? parameter.Name.Substring(path.Length)
                 : parameter.Name;
-#if NETCOREAPP3_1_OR_GREATER
+#if NET8_0_OR_GREATER
             return name.TrimStart('/').Replace("/", KeyDelimiter, StringComparison.InvariantCulture);
 #else
             return name.TrimStart('/').Replace("/", KeyDelimiter);

src/Amazon.Extensions.Configuration.SystemsManager/Internal/ServiceClientAppender.cs

@@ -30,7 +30,7 @@ public static void ServiceClientBeforeRequestEvent(object sender, RequestEventAr
             if (e is WebServiceRequestEventArgs args)
             {
                 if (args.Headers.ContainsKey(UserAgentHeader) &&
-#if NETCOREAPP3_1_OR_GREATER
+#if NET8_0_OR_GREATER
                     !args.Headers[UserAgentHeader].Contains(UserAgentSuffix, System.StringComparison.InvariantCulture)
 #else
                     !args.Headers[UserAgentHeader].Contains(UserAgentSuffix)