Simplify some code

Use some modern C# features.

Author: martincostello

src/Grafana.OpenTelemetry.Base/GrafanaOpenTelemetryResourceDetector.cs

@@ -25,12 +25,12 @@ public GrafanaOpenTelemetryResourceDetector(GrafanaOpenTelemetrySettings setting
 
         public Resource Detect()
         {
-            var attributes = new List<KeyValuePair<string, object>>(new KeyValuePair<string, object>[]
-            {
+            var attributes = new List<KeyValuePair<string, object>>(
+            [
                 new KeyValuePair<string, object>(ResourceKey_DistroName, ResourceValue_DistroName),
                 new KeyValuePair<string, object>(ResourceKey_DistroVersion, GetDistroVersion()),
                 new KeyValuePair<string, object>(ResourceKey_DeploymentEnvironment, _settings.DeploymentEnvironment)
-            });
+            ]);
 
             attributes.AddRange(_settings.ResourceAttributes);
 

src/Grafana.OpenTelemetry.Base/ReflectionHelper.cs

@@ -17,7 +17,7 @@ internal static void CallStaticMethod(string assemblyName, string typeName, stri
         {
             var assembly = Assembly.Load(assemblyName);
             var type = assembly.GetType(typeName);
-            var method = type.GetMethod(methodName, arguments.Select(obj => obj is null ? null : obj.GetType()).ToArray());
+            var method = type.GetMethod(methodName, [.. arguments.Select(obj => obj?.GetType())]);
             method.Invoke(null, arguments);
         }
     }